SDR UALA2011050502201

Service difficulty report · Attach Fitting · Boeing 747422

Difficulty date: May 4, 2011
Submitted: May 27, 2011
Operation: Air carrier
Aircraft: N181UA
Make and model: Boeing 747422
Aircraft serial: 25278
Aircraft time: 82,330 hours, 10,088 cycles
Engine: Pwa PW4056
System (JASC): 5740 · Wing, Attach Fittings
Part: Attach Fitting
Condition: Gouged
Location: Te Flap Xmsn
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

NR 7 FLAP TRANSMISSION LOWER ATTACH FITTING HAS 4 GOUGES.1- .5 INCHES LONG X .10" DEEP & MAX. .20" WIDE. 2 = .6" LONG X .150" DEEP & MAX DEPTH .20".3= .9" LONG X .150" DEEP & MAX WIDE= .20". 4 = 1.1" LONG X MAX. DEPTH .20" & MAX. WIDE= . 450". ACP HFEC OF AREA PER NDT MM, NO CRACKS. REPLACED TRANSMISSION PER MM.