SDR SWAA2019110838693

Service difficulty report · Seat Track · Boeing 737790

Difficulty date: October 24, 2019
Submitted: November 8, 2019
Operation: Air carrier
Aircraft: N562WN
Make and model: Boeing 737790
Aircraft serial: 30778
Aircraft time: 61,171 hours, 29,725 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 360-480
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 IN WELL AND TOP OF SEAT TRACK BS 360 - 480 RBL 25. / BLENDED CORROSION ON SEAT TRACK AT BS458 RBL25 IN A 1.5"X.4" AREA, MAX DEPTH .029". FOUND TO BE OUT OF LIMITS PER SRM 53-00-52. REPLACED SEAT TRACK AT BS 360-480 RBL 25 PER SRM 51-40-02 AND DWG 143A5300.