SDR SWAA2022020261922

Service difficulty report · Support · Boeing 7377H4

Difficulty date: January 15, 2022
Submitted: February 2, 2022
Operation: Air carrier
Aircraft: N919WN
Make and model: Boeing 7377H4
Aircraft serial: 36625
Aircraft time: 45,394 hours, 26,963 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Fwd Cargo Bay
Stage of operation: UK
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

FWD CARGO COMPARTMENT LT ZEE SUPPORT SIDEPLATE AT LBL-21, BS 500+12' TO 500C+6', WL 155 CORRODED. REMOVED CORROSION IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSPECTION ON REWORKED AREA IAW NDT PART 4 51-00-00 PROC 3. MIN THICKNESS .038'. ORIGINAL MAT .04' MAT FOUND WITHIN LIMITS IAW SRM 53-00-53-1A-2. TREATED AND PRIMED REWORKED AREA.

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