Service difficulty report · Service Door · Boeing 7377H4

Difficulty date
July 31, 2017
Submitted
January 31, 2022
Operation
Air carrier
Aircraft
N420WN
Make and model
Boeing 7377H4
Aircraft serial
29825
Aircraft time
54,720 hours, 31,787 cycles
Part
Service Door
Condition
Corroded
Location
Lwr Fuselage
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

***CORROSION*** WASTE WATER SERVICE DOOR CORROSION ON SURFACE / CORROSION FOUND OUT OF LIMITS PER SRM 52-40-01-1A-4 REMOVED AND REPLACED NEW WASTE WATER SERVICE DOOR I-A-W 52-49-07-400-801; BOND CHECK FOUND OK. REFINISH TOP SURFACE PER AMM 51-21-99-300-801 PO # 641885 (DOOR ASSY).

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