Service difficulty report · Door Frame · Boeing 7377H4

Difficulty date
February 9, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N404WN
Make and model
Boeing 7377H4
Aircraft serial
27892
Aircraft time
67,080 hours, 39,612 cycles
Part
Door Frame
Condition
Corroded
Location
Service Panel
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

TOILET SERVICE PANEL 145AL HAD CORROSION ON DOOR CUT OUT AT AFT IB EDGE BS860; WL150; LBL30. REMOVED CORROSION AND 2 FASTENERS PNL 145AL CUTOUT AFT IB EDGE MEASURED 2.5' X 3' PER SRM 5110020G0. NO ALLOWABLE DAMAGE LIMITS FOUND IN SRM FOR PART. REMOVED DAMAGED LAV PAN DOOR CUT OUT PNL PER SRM 514002. FABRICATED REPLACEMENT PNL PER SRM 514005; SRM 514008 AND DWG 146A7401 OUT OF 2024T3#0.100SH LOT# 14434701 APPLIED CHEMICAL CONVERSION COATING PER AMM 5121370802 AND PRIMED PER AMM 512172370804. INSTALLED LAV PAN DOOR CUT OUT PNL PER SRM 514002 AND DWG 146A7401. APPLIED DECORATIVE FINISH PER AMM 512199300801 57627U 15FEB21

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