SDR DALA2015013000792

Service difficulty report · Seat Track · Boeing 757351

Difficulty date: January 28, 2015
Submitted: January 30, 2015
Operation: Air carrier
Aircraft: N594NW
Make and model: Boeing 757351
Aircraft serial: 32994
Aircraft time: 41,658 hours, 13,881 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 1640
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

CORROSION ON MAIN CABIN SEAT TRACK FLANGE AT STA 1640 RBL-45. REMOVED CORROSION ON SEAT TRACK SUPPORT FLANGE STA 1640 RBL-45 ORIGINAL MAT THICKNESS 0.070 MAT LOSS 0.020 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-052, DET VII, FIG 101 ALLOWABLE DAMAGE. R & R SEAT TRACK SUPPORT FROM STA 1640- 1600, RBL-45 IAW DWG 146N5126, REV A , SRM 51-40-05 AND 51-40-02.