SDR DALA1211756313

Service difficulty report · Seat Track · Boeing 747451

Difficulty date: February 24, 2012
Submitted: February 28, 2012
Operation: Air carrier
Aircraft: N673US
Make and model: Boeing 747451
Aircraft serial: 30268
Aircraft time: 54,499 hours, 6,855 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Cracked
Location: Fuselage
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

REMOVED UPPER CHORD FROM CUTOUT TO OUTBOARD EDGE FOUND CRACK IN SEAT TRACK AT STATION 690-740 LBL 27 AND REMOVED FABRICATED UPPER CHORD AND SPLICES AND 95' DRILLED. REMOVED AND REPLACED SEAT TRACK PER SRM 51-40-02 AND SRM 53-00-53 UPPER CHORD AND SPLICES INSTALLED ON ERA 500649-14.