Service difficulty report · Flap · Boeing 747422

Difficulty date
August 5, 2007
Submitted
August 7, 2007
Operation
Air carrier
Aircraft
N118UA
Make and model
Boeing 747422
Aircraft serial
28811
Aircraft time
33,898 hours, 4,353 cycles
Engine
Pwa PW4056
Part
Flap
Condition
Damaged
Location
Rt 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

RIGHT INBOARD MIDFLAP HAS DAMAGE APPROX 2 FEET IN LENGTH ALONG THE INBOARD MOST LEADING EDGE. 08-31-07 REMOVED DAMAGED SKIN AND CORE,FLUSHED CORE WITH ALCOHOL & DRIED AREA. REPAIRED RUBSTRIP AND TEFLON COATED AS REQUIRED. REPAIRED FLAP BULB SEAL RE TAINER CAUSING DAMAGE. REPAIRED FLAP DAMAGE. COMPLETED REPAIR PER SRM 5 7-53-01 & UA ENGRNG VARIATION AUTHORIZTN. AIRCRAFT RETURNED TO SERVICE.