SDR FDEA202008252019

Service difficulty report · Seat Track · Boeing 757222

Difficulty date: August 25, 2020
Submitted: August 31, 2020
Operation: Air carrier
Aircraft: N796FD
Make and model: Boeing 757222
Aircraft serial: 26710
Aircraft time: 70,973 hours, 26,707 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
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

CABIN SEAT TRACK CORRODED BS 342- BS 372, BL 7L REMOVED CORROSION AS REQUIRED IAW B757 SRM 51-10-02. MAX ALLOWABLE MAT REMOVAL .020, REMOVED .030. FOUND TO BE OUT OF LIMITS IAW B757 SRM 53-00-52-1A FIG 101 DET "I". FABRICATED NEW SEAT TRACK AND INSTALLED IAW FEDEX EA F-5310-T0356136 "FUSELAGE - MAINFRAME - STA 345-377 (RBL 13 & LBL 7) SUPERNUMERARY SEAT TRACK - MATERIAL SUB" AND VENTURA DWG 3470 REV G.