SDR UPS06448555

Service difficulty report · Seat Track · Boeing 747123F

Difficulty date: October 20, 2006
Submitted: November 10, 2006
Operation: Air carrier
Aircraft: N677UP
Make and model: Boeing 747123F
Aircraft serial: 20391
Aircraft time: 97,105 hours, 24,042 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
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

INSPECTION TYPE:C M/D BS1920 RBL33 SEAT TRACK O/B FLANGE FOUND CORRODED. CORROSION BLEND OUT 0.022" BY 1/2" BY 1" EXCEED SRM LIMIT. SEAT TRACK REPAIRED AS PER SRM 53-10-05 FIG 33 JUST AT M/D RBL33 BETWEEN BS 1810 AND BS 1950 (REFER NRC NO.51784 FOR DETAIL).