SDR FDEA202506241038

Service difficulty report · Seat Track · Boeing 75721B

Difficulty date: June 24, 2025
Submitted: June 24, 2025
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 63,481 hours, 41,269 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: 144N50234
Condition: Corroded
Location: Zone 200
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

UNDER CABIN FLOOR PNL. 242MAF, AROUND MANY SCREWHOLES HAVE SURFACE CORROSION, ON FLOOR STRUCTURE. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51-1A. REMOVED AND REPLACED SEAT TRACK FLANGE RBL 24.5 STA. 900-1080 AND FABRICATED SEAT TRACK FLANGE IAW DWG. 144N5023, PART MARK PER GMM 7-1-1001, MAJOR REPAIR.

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