SDR WRNA20080034

Service difficulty report · Seat Track · Boeing 747230B

Difficulty date: March 24, 2008
Submitted: April 28, 2008
Operation: Air carrier
Aircraft: N508MC
Make and model: Boeing 747230B
Aircraft serial: 21644
Aircraft time: 104,714 hours, 19,366 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 500-540
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

DURING C CHECK, WHILE ACCOMPLISHING CPCP TASK C53-210-01, LEVEL II CORROSION WAS FOUND AT SEAT TRACK BETWEEN STATION 500 - 540 RBL 48. REMOVE CORRODED SEAT TRACK SECTION. INSTALLED SEAT TRACK SECTION IAW SRM 53-10-05 FIG 6 AND SRM 51-30-02.