SDR ASAA2023080944530

Service difficulty report · Floor Support · Boeing 737900ER

Difficulty date: August 9, 2023
Submitted: August 14, 2023
Operation: Air carrier
Aircraft: N280AK
Make and model: Boeing 737900ER
Aircraft serial: 60582
Aircraft time: 20,457 hours, 6,598 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146A750356
Condition: Corroded
Location: Unknown
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

AFT PIT FLOOR SUPPORT JUST AFT OF STA 767 LBL 12.5 HAS CORROSION AROUND NUTPLATE HOLES. GROUNDED - YES. REMOVED CORROSION ORIG .063, REMAIN 0, LOSS OF .063 FOUND OUT OF LIMITS IAW B737 900ER SRM 53-00-53.ACCOMPLISHED REPAIR IAW B737 900ER SRM 53-00-53-2R-2ALODINED IAW B737 900ER SRM 51-20-01.PRIMED IAW SOPM20-41-02.

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