SDR DALA2020031101786

Service difficulty report · Seat Track · Boeing 757351

Difficulty date: March 8, 2020
Submitted: March 11, 2020
Operation: Air carrier
Aircraft: N583NW
Make and model: Boeing 757351
Aircraft serial: 32983
Aircraft time: 62,219 hours, 20,164 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Out Of Limits
Location: Fuselage
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

(AIRCRAFT 5803, L/P 1521725) ORIGINAL THICKNESS ON SETTLEMENT SEAT TRACKS STA 377 LBL 23-26 AT PAX CABIN IS 0.070 AND REMAINING THICKNESS ON SETTLEMENT SEAT TRACK IS 0.040". THEREFORE IS OUT OF LIMITS PER B757-300 SRM 53-00-52-1A FIG. 101 DETAIL VIII. CORRECTIVE ACTION: CORROSION LEVEL 2. CORROSION OUT OF LIMITS SEAT TRACKS SUPPORT AT STA 377 TO STA 418 LBL 23-26 WAS REPLACED PER. B757-300 SRM. 51-40-02-0G PAR. 4 AND 7 AND BAC1508-237.