SDR DALA2015032302334

Service difficulty report · Seat Track · Boeing 757351

Difficulty date: March 22, 2015
Submitted: March 24, 2015
Operation: Air carrier
Aircraft: N596NW
Make and model: Boeing 757351
Aircraft serial: 32996
Aircraft time: 41,414 hours, 13,806 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 377-414
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 MAIN CABIN SEAT TRACK SUPPORT AT STA 377 AND STA 414, LBL 45, RG4 CP53-221-01L. REMOVED CORROSION ON SEAT TRACK STA 377 TO 414 LBL 45 IAW SRM 53-00-52, FIG 101 ALLOWABLE DAMAGE 1, FOUND TO BE OUT OF LIMITS 50 PERCENT MATERIAL LOSS. REMOVED AND FABRICATED NEW TRACK AND REINSTALLED SEAT TRACK AT STA 377 TO 414 LBL-45 IAW SRM 53-10-52 I.D. 1 PG 3 AND SRM 51-40-05, PG 4, PERMANENT REPAIR ACCOMPLISHED.