Service difficulty report · Cap · Boeing 7377H4

Difficulty date
June 21, 2020
Submitted
August 25, 2021
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
55,249 hours, 32,699 cycles
Part
Cap
Condition
Corroded
Location
Aft Cargo
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

AFT. CARGO COMPT. DOOR CUT OUT LOWER SECTION OF THE FWD FRAME; CAP STRIP SHOWS EVIDENCE OF CORR. AS NOTED. / FOUND DEEP CORROSION ON LOWER SURFACE AT AFT CARGO DOOR CUTOUT CAP STRIP PLATE EXFOLIATION; OUT OF LIMITS AS PER REF B737-700 SRM 53-00-53-1A-1. REPLACED CAP STRIP PLATE AND WILL BE INSTALLED ON JPANEL-141-CLOSE 1000/0069

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