SDR SWAA2022111661272

Service difficulty report · Channel · Boeing 7377H4

Difficulty date: October 19, 2022
Submitted: November 16, 2022
Operation: Air carrier
Aircraft: N207WN
Make and model: Boeing 7377H4
Aircraft serial: 34012
Aircraft time: 56,256 hours, 33,707 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Bs 500a-500d
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 FOUND FWD CARGO RT ZEE CHANNEL, BS 500A - 500D AROUND FASTENER HOLES. REMOVED CORROSION IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS ON REWORKED AREA IAW NDTM PART 4, 51-00-00, PROCEDURE 3. FOUND OUT LIMITS IAW SRM 53-00-53-1A-2. REMOVED THE CHANNEL IAW SRM 51-40-02-0G-0. FABRICATED A NEW ZEE CHANNEL SECTION IAW DWG 143A7501 AND INSTALLED.

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