Service difficulty report · Skin · Boeing 7377H4

Difficulty date
February 9, 2022
Submitted
February 14, 2022
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
58,704 hours, 34,909 cycles
Part
Skin
Condition
Corroded
Location
Fuselage
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LOWER EXTERNAL SKIN AROUND TOILET SERVICE DOOR CORRODED. STRIPPED PAINT ON EXTERNAL SKIN AREA IAW AMM 51-21-11-150-801 & BEGAN REMOVING PAN ASSY IAW SRM 51-40-02-0G-0 PARA 4.E AND 7.D. STARTED FABRICATING REPAIR PARTS IAW EA 22-153-00433-WIP1. FINISHED FABRICATION OF REPAIR PARTS IAW EA 22-153-00433-WIP1. REPLACED DISPLACED SIDEWALL PNL 141 HW AND INSTALLED FLOOR PNL 140 CF IAW AMM 25-52-06-400-801. AMM 25-52-10-400-801. INSPECTION CW STEP 39. REINSTALLED DRAIN VALVE, RINSE FITTING & HANDLE ASSY ON LAV PAN IAW SRM 51-40-02-0G-0, AMM 38-32-09-400-801 & 38-32-08-400-801. DRAIN VALVE AND RINSE FITTING LEAK CK ACCOMPLISHED ON FAULT TTG8Q00ARM6N. INSPECTION OF ITEM 29 ACP ON EA 22-153-00433-WIP1.

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