Service difficulty report · Attach Angle · Boeing 747422

Difficulty date
September 15, 2010
Submitted
September 17, 2010
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
48,209 hours, 5,696 cycles
Engine
Pwa PW4056
Part
Attach Angle
Condition
Cracked
Location
Wing
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

FOUND PNEU DUCT LOWER SUPPORT ATTACH ANGLE CRACKED-BROKEN AT APPX WS670.25, INSIDE TOP WING AREA AS SEEN THROUGH PANEL 511CT. (THIS IS CAUSE FOR PNEU DUCT MISALIGN, PREVENTING PROPER SEAL CLAMP INSTALLATION JUST OTBD OF NR2 PYLON THROUGH L/E. KRUEGER FLAP IN PRIOR ATTEMPTS) REQUEST EG ASST TO ID: ANGLE IS WHERE DUCT SUPPORT ROD ATTACHES TO ILES STRUCTURE (RIB) 25. FOUND DAMAGED BRACKETS REMOVED. MFG REPLACEMENT BRACKETS IAW UA-EVA-80097.