SDR IPXA2025012041456

Service difficulty report · Seat Track · Boeing 75724APF

Difficulty date: January 11, 2025
Submitted: January 21, 2025
Operation: Air carrier
Aircraft: N420UP
Make and model: Boeing 75724APF
Aircraft serial: 23907
Aircraft time: 36,186 hours, 23,613 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: 143N5278
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

SEAT TRACK AT STA 500 LBL 45.5 IS CORRODED. DOT 142-316. CLEANED AREA IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS OF SEAT TRACK CROWN IS, 0.130". A MATERIAL LOSS OF 0.006" WAS NOTED USING ULTRA SONIC, T93968. MAX LOSS ALLOWED IS 0.020". REMAINING THICKNESS IS 0.124". FOUND TO BE IN LIMITS IAW SRM 53-00-52-1A-1.

More about the Boeing 757-24APF