SDR ASAA2022100340260

Service difficulty report · Transition Panel · Boeing 737890

Difficulty date: October 3, 2022
Submitted: October 14, 2022
Operation: Air carrier
Aircraft: N566AS
Make and model: Boeing 737890
Aircraft serial: 35182
Aircraft time: 57,542 hours, 16,985 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 143A7501
Condition: Corroded
Stage of operation: IN
How discovered: V
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

RH TRANSITION PANEL FROM STA. 500B - 500C BULKHEAD- CORROSION IN AND AROUND FASTENER HOLSE.PREVIOUS BLEND OUT REPAIR AREA. (RED MARKED). GROUNDED - YES. REMOVED CORROSION.ORIG THICKNESS =.40"REMOVED =.10"REMAINING +.030"FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 REMOVED TRANSITION PNL, FAAB'D , LOCATED, DRILLED , ALODINED, PRIMED & INSTALLED NEW TRANSITION PNL P/N BAC1496-444 PO 1033739.1IAW B737-800 SRM 53-00-53-2R-5, AMM 51-21-41 & AMM 51-21-72.