SDR SWAA2022123073981

Service difficulty report · Channel · Boeing 7377H4

Difficulty date: November 21, 2022
Submitted: December 30, 2022
Operation: Air carrier
Aircraft: N275WN
Make and model: Boeing 7377H4
Aircraft serial: 36153
Aircraft time: 51,164 hours, 30,694 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Bs 727-767
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 THE AFT CARGO SIDEPLATE SUPPORT, BS 727A - 767, RBL 21, S25R, WL 156. FOUND OUT OF LIMITS IAW SRM 51-10-02-0G-0. LOCATED & DRILLED A NEW ZEE CHANNEL BS 727 TO 767 IAW SRM 51-40-05-0G-0. TREATED AND PRIMED IAW AMM 51-21-41-370-804, & 51-21-72-370-804.

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