Removal of the Access Door at RIB1

TASK 57-17-11-000-002-A
Removal of the Access Door at RIB1

WARNING: MAKE SURE THAT YOU HAVE THE CORRECT FIRE FIGHTING EQUIPMENT AVAILABLE.

WARNING: BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.

WARNING: BE CAREFUL NOT TO GET AIRCRAFT FUEL IN YOUR MOUTH OR IN YOUR EYES. IF YOU GET FUEL ON YOUR SKIN OR ON YOUR CLOTHES, FLUSH IT IMMEDIATELY WITH WATER. IF NECESSARY, GET MEDICAL HELP. AIRCRAFT FUEL IS POISONOUS.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

NOTE: The access door at RIB1 has the marking "DO NOT REMOVE". This is to tell persons not to remove this access door if there is fuel in the center tank.

ZONE: 147
ZONE: 148

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
147	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
148	MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
148AZ
147AZ

B. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-10-00-910-001-A	Safety Procedures When You Do Work in a Fuel Tank
TASK 28-25-00-650-001-A	Pressure Defuel
TASK 28-25-00-869-001-A	Fuel Transfer
TASK 57-17-11-000-001-A	Removal of Access Cover 147AZ(148AZ)
TASK 57-17-11-000-001-B	Removal of Access Cover 148AZ or/and the ACT-Equipment Support Door
Access Door at RIB1

3. Job Set-up
Subtask 57-17-11-010-051-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Remove the access covers 147AZ 148AZ (Ref. AMM TASK 57-17-11-000-001).

Subtask 57-17-11-010-051-B ** ON A/C NOT FOR ALL

A. Get Access
(1) Remove the access cover 148AZ (Ref. AMM TASK 57-17-11-000-001).

Subtask 57-17-11-860-050-A

B. Aircraft Maintenance Configuration
(1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001), (Ref. AMM TASK 28-10-00-910-001).
(2) Defuel the applicable inner wing tank (Ref. AMM TASK 28-25-00-650-001) or transfer the fuel of the applicable inner wing tank (Ref. AMM TASK 28-25-00-869-001).
(3) Make sure that the center tank is defueled (Ref. AMM TASK 28-25-00-650-001).

4. Procedure
Subtask 57-17-11-020-051-A

A. Removal of the Access Door

Access Door at RIB1

(1) Remove the bolts (11), (18), (16) and the washers (12), (17), (15)
from the access door (13).

NOTE: Hold the access door (13) when you remove the fasteners.

(2) Remove the access door (13).
(3) Remove and discard the seal (14).

[Rev.10 from 2021] 2026.04.02 06:30:33 UTC