SDR UALA2010081903049

Service difficulty report · Flap Track · Boeing 747422

Difficulty date: August 19, 2010
Submitted: September 3, 2010
Operation: Air carrier
Aircraft: N116UA
Make and model: Boeing 747422
Aircraft serial: 26908
Aircraft time: 48,042 hours, 5,676 cycles
Engine: Pwa PW4056
System (JASC): 5753 · Trailing Edge Flaps
Part: Flap Track
Condition: Damaged
Location: Nr 4
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

TAKE C/A ON NR4 FLAP TRACK FWD SUPPORT FITTING. IT IS DAMAGED IN 2 PLACES. 1ST PLACE OF DAMAGE IS ON OTBD SIDE BELOW FUSE PIN, 2ND IS ON OTBD SIDE ABOVE FUSE PIN. BOTH AR EAS MARKED IN RED. BLENDED AFFECTED AREAS, LO OKED LIKE TOOL DAMAGE. FINAL BLEND DIMENSIONS ARE AREA NR1 1.375" LONG BY .5" WIDE .0005" DEEP. AREA NR2 3" LONG BY 1.375" WIDE .0003\ DEEP. EDDY CURRENT INSPECTION COMPLETED ON PTT 2092006. ROTO PEENED AREA PER GNMM & REIMED AREA. REINSTALLED FIX FAIRING PER MM.