Service difficulty report · Support Fitting · Boeing 747422

Difficulty date
September 15, 2010
Submitted
September 17, 2010
Operation
Air carrier
Aircraft
N180UA
Make and model
Boeing 747422
Aircraft serial
25224
Aircraft time
81,736 hours, 9,857 cycles
Engine
Pwa PW4056
Part
Support Fitting
Condition
Damaged
Location
Nr 5 Flap Track
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

THE NR 5 FLAP TRACK FWD SUPPORT FITTING HAS SEVERAL TOOL MARKS IN THE OTBD WEB AREA. (DAMAGE IS MARKED IN RED) BLENDED FITTING. TREATED AND PRIMED BLENDED AREA. IAW EVA 80076 NEED TO ACCOMPLISH CATEGORY B ROTO PEEN AT NEXT SCHEDULED D4 CHECK OCT 29 2012. MF6451 CREATED TO MONITOR EVERY 750 CYCLES ACP GEN VISUAL INSP OF THE SUBJECT SUPPORT FITTING IAW SB.