SDR CALA2025112111394

Service difficulty report · Seat Track · Boeing 75733N

Difficulty date: November 20, 2025
Submitted: November 21, 2025
Operation: Air carrier
Aircraft: N77865
Make and model: Boeing 75733N
Aircraft serial: 32589
Aircraft time: 72,509 hours, 21,526 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: BAC1520792
Condition: Corroded
Location: Zone 200
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

CORROSION ON CABIN SEAT TRACK CENTER OF CROWN RBL 46, BS 1060 - 1180. REMOVED CORROSION IAW AMM 51-00-53-102-054; EVALUATED AS FOLLOW 0. THICKNESS 0.185", MATERIAL LOSS 0.050", MATERIAL REMAINING 0.135", FOUND TO BE WITHIN LIMITS IAW SRM 53-00-5 2-1A-1, FABRICATED A NEW SEAT TRACK IAW DWG 144N5021, INSTALLED THE NEW SEAT TRACK IAW SRM 51-40-02.

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