SDR SWAA2020120931024

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: November 17, 2020
Submitted: December 9, 2020
Operation: Air carrier
Aircraft: N730SW
Make and model: Boeing 7377H4
Aircraft serial: 27862
Aircraft time: 74,542 hours, 43,942 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: 144A5300
Condition: Corroded
Location: Pax Cabin
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 PASSENGER CABIN SEAT TRACK BS 540-BS 727B LBL 25 WL 208, MARKED. REMOVED CORROSION FROM SEAT TRACK STA 540-727B LBL 25 WL 208, PER SRM 51-10-02-0G-0. MAX MATERIAL REMOVED OF 0.50' BETWEEN TEETH FOUND TO BE OUT OF LIMITS, PER SRM 53-00-52-1A-1. REMOVED AND REPLACED SEAT TRACK AT STA 540-727B LBL 25 WL 208, PER SOPM 20-50-01, REFERENCING BOEING DWG 144A5300 SHEET 1.

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