Service Bulletin N°23-UL
TECNAM P2008 · Service Bulletins
Overview
This document is a service bulletin for the Tecnam P2008 and other aircraft models, detailing the mandatory replacement of main landing gear nuts to improve the connection between the landing gear and the fuselage. It includes instructions for compliance, required materials, and safety warnings.
- Applicable to P2008 series up to sn033, excluding specific serial numbers.
- Main landing gear nuts must be replaced with MS21042-5 and MS21042-L6 types.
- Installation of new nuts is recommended to enhance safety.
- No special tools are required for the installation.
- The process requires approximately 1 man-hour.
- Instructions for installation are provided for different aircraft models.
- Compliance is at the customer's discretion.
- Inspection of existing nuts is necessary before replacement.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at speedcomfly.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2011
- File size ·
- 4.3 MB
- Copy found at ·
- speedcomfly.com
- Language ·
- it
What is the Service Bulletin N°23-UL?
The Service Bulletin N°23-UL is a service bulletins for the TECNAM P2008, dated 2011.
What year was the Service Bulletin N°23-UL published?
The Service Bulletin N°23-UL — the TECNAM P2008 service bulletins on file — is dated 2011.
Common. More common than 92% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the TECNAM P2008.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Subject
Main landing gear nuts substitution to improve the connection between the main landing gear legs and the fuselage.
Instructions
Detailed steps for aircraft preparation, main landing gear preparation, nuts substitution, and final operations.
Required Material
New kit of nuts (KIT n° SB023UL) with installation instructions.
Weight and Balance
Nil.
Special Tooling
No special tools are required.
Warnings
Follow specific instructions for each aircraft model regarding nut installation.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Safety notes
- To avoid main landing leg detachment, replace nuts one at a time.
- Apply the correct torque value at the end of all nuts installation.
- Refer to specific pages for installation instructions based on aircraft model.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Full document text
BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 1 of 11 Informazione Raccomandazione Prescrizione Information Recommendation Mandatory VELIVOLI INTERESSATI P92 serie fino al sn 1400 (incluso) esclusi sn1368, 1370, 1376, 1377,1392, 1394,1396,1399 P2002 serie fino al sn 482(incluso) esclusi sn397, 462, 469, 471, 472 P2004 tutti i sn P2008 serie fino al sn 033 (incluso) esclusi sn028, 031, 032 Questo Bollettino di Servizio è applicabile a tutti i suddetti velivoli il cui carrello principale è collegato con dati tipo MS21042-5 e MS21042-L6, fatta eccezione per collegamenti di tipo metrico. A/C AFFECTED -P92 series up to sn1400(included) excluded sn1368, 1370, 1376, 1377,1392, 1394,1396,1399 -P2002 series up to sn482(included) excluded sn397, 462, 469, 471, 472 -P2004 All sn -P2008 series up to sn033(included) excluded sn028, 031, 032 This Service Bulletin is applicable to all above aircrafts equipped with main landing gear nuts type MS21042-5 and MS21042-L6, except for metric fittings. TERMINI DI ESECUZIONE A scelta del cliente. TIME OF COMPLIANCE At Customer’s choice LUOGO DI ESECUZIONE Sul posto. WORKING PLACE On place. OGGETTO: Sostituzione dei dadi attacco carrello principale; Subject: Main landing gear nuts substitution; SCOPO: Al fine di migliorare il collegamento tra le gambe del carrello principale e la fusoliera è possibile installare un nuovo kit di dadi tipo MS. Per i dadi di tipo metrico non si raccomanda la sostituzione, a tal fine si richiede un’ispezione delle parti interessate per valutare la tipologia dei dadi installati. Scope: In order to improve the connection between the main landing gear legs and the fuselage is possible to install a new kit of MS nuts. For metric nuts is not recommended a substitution, for this reason is required a inspection of interested parts to evaluate the type of nuts installed. Rev3, 29/12/2011 BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 2 of 11 Materiale richiesto: Nuovo kit di dadi (KIT n° SB023UL) con le istruzioni di installazione in allegato; Required material: New kit nuts (KIT n° SB023UL) is available with installation instructions attached; Ore lavoro richieste: 1 ora; Manpower: 1 man-hour; Peso e centraggio: Nil; WEIGHT AND BALANCE: Nil; Attrezzature speciali: Non sono richieste attrezzature speciali; Special tooling: No special tools are required; Riferimenti: AMM e AFM; Reference: AMM and AFM; WARNING For P92 and P2004 nuts installation refer to instructions furnished from page 3 to page 5 of this Service Bulletin. Per il P92 e il P2004 le istruzioni di installazione dei dadi sono riportate dalla pagina 3 alla pagina 5 del presente Bollettino di Servizio. For P2002 nuts installation refer to instructions furnished from page 6 to page 8 of this Service Bulletin. Per il P2002 le istruzioni di installazione dei dadi sono riportate dalla pagina 6 alla pagina 8 del presente Bollettino di Servizio. For P2008 nuts installation refer to instructions furnished from page 9 to page 11 of this Service Bulletin. Per il P2008 le istruzioni di installazione dei dadi sono riportate dalla pagina 9 alla pagina 11 del presente Bollettino di Servizio. Rev1, 13/09/2011 BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 3 of 11 INSTRUCTIONS The followings instructions are applicable to P92 and P2004 series: Le istruzioni sono in riferimento alla serie P92 e P2004: 1. Aircraft preparation 1. Preparazione velivolo 1) Park the aircraft in a closed hangar; - Parcheggiare il velivolo in un hangar chiuso 2) MASTER SWITCH: OFF; - Interruttore generale: OFF 3) Parking brake: ON; - Freno di parcheggio: ON 3) Make the aircraft in safety position; - Assicurarsi che il velivolo sia in una posizione di sicurezza 4) Prepare the KIT n°023UL composed by the followings items: - Preparare il KIT n°023UL composto da: Description Part number QTY Stop nut for lateral bolts AN365-524A 4 Stop nut for central bolts AN365-624A 2 2. MLG (Main Landing Gear) preparation 2. Preparazione carrello principale 1) Remove the following covers (See figure 1, LH side showed) from the LH and RH side (Note: this operation is not necessary for P92 Echo Classic version): - Rimuovere le seguenti coperture (Figura 1 – lato SX mostrato) dai lati DX e SX (Nota: questa operazione non è necessaria per il P92 vs. Echo Classic): 1. Strut fairing lower LH and RH – P/N 92-1-402-1/2; - Carenatura inferiore lato SX/DX - P/N 92-1-402-1/2; 2. Cover skin MLG leg attachment LH and RH – P/N 21-2-646-1/2; - Copertura attacco carello principale-fusoliera lato DX/SX - P/N 21-2-646-1/2; 3. MLG central bolt inspection cup – P/N 22-2-523-1; - Tappo di ispezione – P/N 22-2-523-1; Figure 1. Covers removing (Left Side) Rev1, 13/09/2011 BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 4 of 11 4. Remove the pilot and co-pilot seats; - Rimuovere i sedili pilota e co-pilota; 5. Remove (if presents) two plane LH and RH (P/N 24-12-126-3/4) located under the seats; - Rimuovere (se presente) i due pannelli DX/SX (P/N 24-12-126-3/4) situati sotto i sedili; 6. Jack aircraft according to AMM; - Effettuare l’operazione di sospensione come indicato nel AMM 3. MLG nuts substitution 3. Sostituzione dati attacco carello principale-fusoliera 1) Replace the laterals and central nuts according to following figure 2 and applying the torque values indicated in table 1: - Sostituire i tre bulloni come illustrato nella figura 2 applicando i valori di coppia indicati nella tabella 1 MS20006-64 MS20005-24 AN365-524A MS20002-C6 AN365-624A MS20002-6 MS20002-C5 MS20002-5 Figure 2. MLG leg attachment
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Description Part number QTY Torque value Central bolts MS20006-64 2 // Lateral bolts MS20005-24 4 // Stop nut for lateral bolts AN365-524A 4 15 +/- 1 Nm Stop nut for central bolts AN365-624A 2 25 +/- 2 Nm Washer under Lateral bolts MS20002C-5 4 // Washer under Central bolts MS20002C-6 2 // Washer under Lateral Stop Nuts MS20002-5 4 // Washer under Central Stop Nut MS20002-6 2 // Table 1 NOTE To avoid a main landing leg detachment from the fuselage Tecnam recommend that the nuts must be replaced one at a time and the correct torque value must be applied at end of all nuts installation. BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 5 of 11 NOTA Per evitare il distacco della gamba carrello dalla fusoliera Tecnam raccomanda di sostituire i dati uno per volta e a di applicare i giusti valori di coppia alla fine dell’istallazione dei dadi. See old and new nuts shown in figure 3: -Vedi i vecchi e i nuovi dadi in figura 3: Figure 3. Nuts MS21042-5/-L6 (ANTE MOD.) and AN365-524/-624 (POST MOD.) 4. MLG Final Operations 4. Operazioni finali 1) Reverse the instructions indicated in the chapter 2; - Eseguire in senso contrario le istruzioni riportate nel paragrafo 2 2) Record the application of the present Service Bulletin on the aircraft log-book. - Registrare l’applicazione del Bollettino di Servizio sul log-book Rev. 2, 13/09/2011 BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 6 of 11 The followings instructions are applicable to P2002 series: Le istruzioni sono in riferimento alla serie P2002: 1. Aircraft preparation 1. Preparazione velivolo 4) Park the aircraft in a closed hangar; - Parcheggiare il velivolo in un hangar chiuso 5) MASTER SWITCH: OFF; - Interruttore generale: OFF 6) Parking brake: ON; - Freno di parcheggio: ON 5) Make the aircraft in safety position; - Assicurarsi che il velivolo sia in una posizione di sicurezza 6) Prepare the KIT n°023UL composed by the followings items: - Preparare il KIT n°023UL composto da: Description Part number QTY Stop nut for lateral bolts AN365-524A 4 Stop nut for central bolts AN365-624A 2 2. MLG (Main Landing Gear) preparation 2. Preparazione carrello principale 1) Remove the following covers (See figure 1, LH side showed) from the LH and RH side: - Rimuovere le seguenti coperture (Figuara 1, lato SX mostrato) dai lati SX e DX: 1. Cover skin MLG leg attachment LH and RH – P/N 22-2-550-1/2; - Copertura attacco carello principale-fusoliera lato DX/SX - P/N 22-2-550-1/2; 2. MLG central bolt inspection cup – P/N 22-2-523-1; - Tappo di ispezione – P/N 22-2-523-1; Figure 1. Covers removing BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 7 of 11 3. Remove the pilot and co-pilot seats; - Rimuovere i sedili pilota e co-pilota; 4. Remove two seat trim panel LH and RH (P/N 22-12-180-1/2) located under the seats; - Rimuovere i due pannelli rivestimento dei sedili DX/SX (P/N 22-12-180-1/2) posti sotto i sedili 5. Jack aircraft according to AMM; - Effettuare l’operazione di sospensione come indicata nel AMM; 3. MLG nuts substitution 3. Sostituzione dati attacco carello principale-fusoliera 1) Replace the laterals and central nuts according to following figure 2 and applying the torque values indicated in table 1: - Sostituire i tre bulloni come illustrato nella figura 2 applicando i valori di coppia indicati nella tabella 1 MS20006-27 MS20005-30 AN365-524A AN365-624A MMS20002C-5 MS20002C-6 MS20002-5 MS20002-6 Figure 2. MLG leg attachment Description Part number QTY Torque value Central bolts MS20006-27 2 // Lateral bolts MS20005-30 4 // Stop nut for lateral bolts AN365-524A 4 15 +/- 1 Nm Stop nut for central bolts AN365-624A 2 25 +/- 2 Nm Washer under Lateral bolts MS20002C-5 4 // Washer under Central bolts MS20002C-6 2 // Washer under Lateral Stop Nuts MS20002-5 4 // Washer under Central Stop Nuts MS20002-6 2 // Table 1 NOTE To avoid a main landing leg detachment from the fuselage Tecnam recommend that the nuts must be replaced one at a time and the correct torque value must be applied at end of all nuts installation. BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 8 of 11 NOTA Per evitare il distacco della gamba carrello dalla fusoliera Tecnam raccomanda di sostituire i dati uno per volta e a di applicare i giusti valori di coppia alla fine dell’istallazione dei dadi. See old and new nuts shown in figure 3: -Vedi i vecchi e i nuovi dadi in figura 3: Figure 3. Nuts MS21042-5/-L6 (ANTE MOD.) and AN365-524/-624 (POST MOD.) 4. MLG Final Operations 4. Operazioni finali 1) Reverse the instructions indicated in the chapter 2; - Eseguire in senso contrario le istruzioni riportate nel paragrafo 2 2) Record the application of the present Service Bulletin on the aircraft log-book. - Registrare l’applicazione del Bollettino di Servizio sul log-book Rev. 2, 13/09/2011 BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 9 of 11 The followings instructions are applicable to P2008 series: Le istruzioni sono in riferimento alla serie P2008: 1. Aircraft preparation 1. Preparazione velivolo 7) Park the aircraft in a closed hangar; - Parcheggiare il velivolo in un hangar chiuso 8) MASTER SWITCH: OFF; - Interruttore generale: OFF 9) Parking brake: ON; - Freno di parcheggio: ON 7) Make the aircraft in safety position; - Assicurarsi che il velivolo sia in una posizione di sicurezza 8) Prepare the KIT n°023UL composed by the followings items: - Preparare il KIT n°023UL composto da: Description Part number QTY Stop nut for lateral bolts AN365-524A 4 Stop nut for central bolts AN365-624A 2 2. MLG preparation 2. Preparazione carrello principale 1) Remove the inspection panels (P/N 28-2-1363-4) located on the floor of baggage compartment (RH side in figure 1): - Rimuovere i panelli di ispezione (P/N 28-2-1363-4) posizionati sul pavimento del vano bagagliaio (Figura 1 DX): Figure 1. Inspection panel removing 2) Jack aircraft according to AMM; - Effettuare l’operazione di sospensione come indicata nel AMM; BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 10 of 11 3. MLG nuts substitution 3. Sostituzione dati attacco carello principale-fusoliera 1) Replace the laterals and central nuts according to following figure 2 and applying the torque values indicated in table 1: - Sostituire i tre bulloni come illustrato nella figura 2 applicando i valori di coppia indicati nella tabella 1 MS20006-27 MS20005-30 AN365-524A MS20002-C6 AN365-624A MS20002-6 MS20002-C5 MS20002-5 Figure 2. MLG leg attachment Description Part number QTY Torque value Central bolts MS20006-27 2 // Lateral bolts MS20005-30 4 // Stop nut for lateral bolts AN365-524A 4 15 +/- 1 Nm Stop nut for central bolts AN365-624A 2 25 +/- 2 Nm Washer under Lateral bolts MS20002C-5 4 // Washer under Central bolts MS20002C-6 2 // Washer under Lateral Stop Nuts MS20002-5 4 // Washer under Central Stop Nuts MS20002-6 2 // Table 1 NOTE To avoid a main landing leg detachment from the fuselage Tecnam recommend that the nuts must be replaced one at a time and the correct torque value must be applied at end of all nuts installation. NOTA Per evitare il distacco della gamba carrello dalla fusoliera Tecnam raccomanda di sostituire i dati uno per volta e a di applicare i giusti valori di coppia alla fine dell’istallazione dei dadi. BOLLETTINO DI SERVIZIO SERVICE BULLETIN N°23-UL Data/Date: Edition 1 of 12th September 2011 Rev. 2 of 13th September 2011 / Rev. 3 of 29th December 2011 page 11 of 11 See old and new nuts shown in figure 3: -Vedi i vecchi e i nuovi dadi in figura 3: Figure 3. Nuts MS21042-5/-L6 (ANTE MOD.) and AN365-524/-624 (POST MOD.) WARNING If you don’t have adequate facilities to apply the correct torque values to central nuts type AN365-624, please contact Tecnam for informations. ATTENZIONE Se non si hanno adeguate attrezzature per applicare le coppie torcenti ai dadi centrali tipo AN365-624A si prega di contattare Tecnam per informazioni. 4. MLG Final Operations 4. Operazioni finali 1) Reverse the instructions indicated in the chapter 2; - Eseguire in senso contrario le istruzioni riportate nel paragrafo 2 2) Record the application of the present Service Bulletin on the aircraft log-book. - Registrare l’applicazione del Bollettino di Servizio sul log-book For further information please contact TECNAM: Tel 0039 0823 620134 Fax 0039 0823 622899 E-mail r.insero@tecnam.com Rev. 2, 13/09/2011