SDR 2005UALA01248

Service difficulty report · Support Bracket · Boeing 747422

Difficulty date: November 9, 2005
Submitted: January 31, 2006
Operation: Air carrier
Aircraft: N173UA
Make and model: Boeing 747422
Aircraft serial: 24380
Aircraft time: 60,067 hours, 6,877 cycles
Engine: Pwa PW4056
System (JASC): 5340 · Fuselage Main, Attach Fittings
Part: Support Bracket
Condition: Corroded
Location: Bs 1831-1860
Stage of operation: IN
How discovered: 9
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

MAIN DECK STA 1831-1860, LBL 45 TO RBL 45, SUPPORT BRACKET AND SEAT TRACK ATTACH BEAM HAS AREA OF CORROSION 1 X 3 INCH. *S/D* REPAIR REQUIRED FOR LOCAL AREA, LBL 11.33, WHICH WAS REPAIRED PER SRM 53-00-52, FIGURE 201, REPAIR 5, AS PERMANENT.