SDR SWAA2023012383826

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: December 20, 2022
Submitted: January 23, 2023
Operation: Air carrier
Aircraft: N272WN
Make and model: Boeing 7377H4
Aircraft serial: 32527
Aircraft time: 52,973 hours, 31,748 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 480-500c
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 PASSENGER CABIN SEAT TRACK AT LBL 25, BS 480+16, AND 500C+9. REMOVED SEAT TRACK IAW SRM 51-40-02. REMOVED EXPANSION BOLT AT BS 520 IAW SRM 51-40-02. REMOVED SEAT TRACK IAW SRM 51-40-02. SEAT TRACK FABRICATED IAW DRAWING 143A5300. LOCATED AND DRILLED THE NEW CABIN SEAT TRACK IAW DWG 143A5300, AND SRM 51-40-04. INSTALLED THE NEW SEAT TRACK IAW DWG 143A5300, AND AMM 20-50-11-910-801.

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