SDR ASAA2021050234951

Service difficulty report · Seat Track · Boeing 737890

Difficulty date: May 2, 2021
Submitted: June 1, 2021
Operation: Air carrier
Aircraft: N553AS
Make and model: Boeing 737890
Aircraft serial: 34594
Aircraft time: 51,729 hours, 17,804 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: 143A531051
Condition: Corroded
Location: Bs 380-480
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 FOUND INSIDE INBD. MAIN CABIN SEAT TRACK, LBL44, APPROX. STA. 368-380 IN MULTIPLE SPOTS. GROUNDED - YES. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS REF B737-800 SRM 53-00-52.ORIGINAL THICKNESS IS .55, REMAINING IS .50, .05 WAS REMOVED .020 REMOVAL ALLOWED. REMOVED AND REPLACED SESAT TRACK REF BAC DWG 143A5300 REV "-" PO#999491.1.