SDR SWAA2020091712343

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: 146A5300
Condition: Corroded
Location: Bs 727b-887
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 727B-887 RBL 45 WL 208.1. REMOVED CORROSION ON SEAT TRACK BS 727B-887 RBL 45 WL 208.1, MAX MATERIAL LOSS ON TOP OF CROWN AT 727C+17 .027' DEEP. FOUND TO BE OUT OF LIMITS, IAW SRM 53-00-52-1A-1. REMOVED AND REPLACED WITH NEW SEAT TRACK AT BS 727B-887 RBL 45, IAW SRM 51-40-02 AND DWG 146A5300 59641U 03SEP20.

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