SDR UIEA2025070700852

Service difficulty report · Seat Track · Boeing 74746NF

Difficulty date: July 14, 2025
Submitted: July 17, 2025
Operation: Air carrier
Aircraft: N450PA
Make and model: Boeing 74746NF
Aircraft serial: 30808
Aircraft time: 100,859 hours, 16,937 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
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

M/D STA 780, 783 LBL 11 SEAT TRACK CROWN CORRODED. CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, CORROSION REMOVED AREA MEASURED L=5" X W=0.7", D=0.006" WITHIN SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 FIG 101 LIMITS. NO FURTHER DEFECTS NOTED.

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