SDR FDEA2018122143580

Service difficulty report · Seat Track · Boeing 757236

Difficulty date: December 4, 2018
Submitted: December 21, 2018
Operation: Air carrier
Aircraft: N915FD
Make and model: Boeing 757236
Aircraft serial: 24120
Aircraft time: 56,891 hours, 26,770 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 1188-1200
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

SUSPECT CORROSION AT B/S 1180-1200 LBL 24.5 CORROSION REMOVED IAW SRM 51-10-02 REV 125 AND FOUND TO BE OUTSIDE LIMITS IAW SRM 53-00-52-1A. DETAIL VII REV 125. MAX ALLOWABLE CLEANUP LIMITS (X) = 20% THICKNESS, TRACK FLANGE THICKNESS = .0.085", MAX ALLOWABLE CLEANUP = 0.017" , MAX DEPTH OF CLEAN UP = 0.021" SEAT TRACK SECTION REPAIRED IAW SRM 53-00-52-2R REPAIR 3 REV 125 AND EA.#:F-5310- T0344052 P1