SDR SWAA2020091712337

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: August 27, 2020
Submitted: September 17, 2020
Operation: Air carrier
Aircraft: N493WN
Make and model: Boeing 7377H4
Aircraft serial: 32477
Aircraft time: 53,633 hours, 31,840 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: 144A5300
Condition: Corroded
Location: Bs 645-727b
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, MULTIPLE AREAS OF CORROSION ON PASSENGER CABIN SEAT TRACK AT BS 645-727B RBL 45 WL 208.1. REMOVED CORROSION ON SEAT TRACK BS 645-727B RBL 45 WL 208.1. MAX MATERIAL LOSS AT BS 648 IN WELL IS .042', FOUND TO BE OUT OF LIMITS, IAW SRM 53-00-52-1A-1. REMOVED AND REPLACED WITH NEW SEAT TRACK FROM BS540-727B RBL45 WL208.1, IAW DWG 144A5300 AND SRM 51-40-02 59641U 1SEP20.

More about the Boeing 737-7H4