Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 3, 2019
Submitted
March 9, 2022
Operation
Air carrier
Aircraft
N433WN
Make and model
Boeing 7377H4
Aircraft serial
29838
Aircraft time
55,313 hours, 32,316 cycles
Part
Frame
Condition
Corroded
Location
Aft Cargo Bay
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*** AFT CARGO BAY FUSELAGE FRAME UPPER FLANGE AT BS 947; LBL 8. / CORROSION ON ACB FRAME UPPER FLANGE AT B.S 947; LBL8 WAS FOUND IN LIMITS PER ATS ER 19-03136 REV IR AND SWA EA#1-753-34888 REV IR

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