Service difficulty report · Skin · Boeing 7377H4

Difficulty date
August 10, 2020
Submitted
January 12, 2021
Operation
Air carrier
Aircraft
N259WN
Make and model
Boeing 7377H4
Aircraft serial
35554
Aircraft time
48,041 hours, 28,678 cycles
Part
Skin
Part number
146A61141
Condition
Corroded
Location
Aft Cargo Door
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, ON AFT CARGO DOOR INTERNAL SKIN AFT LOWER CORNER 'MARKED' BS 840 WL 160 RBL 35. CORROSION ON INTERNAL SKIN P/N 146A6114-1 WAS FOUND TO BE OUT OF LIMITS DUE TO 100% MATERIAL LOSS, PER SRM 52-30-01-1A-1 FIG 104 DETAIL C LEAD 800 19AUG20 INSP 358 08/19/20. REPAIR OF INTERNAL SKIN WAS ACCOMPLISHED ON SWA RO: 0520047-E8R.

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