Service difficulty report · Skin · Boeing 747422

Difficulty date
April 13, 2007
Submitted
April 17, 2007
Operation
Air carrier
Aircraft
N173UA
Make and model
Boeing 747422
Aircraft serial
24380
Aircraft time
66,099 hours, 7,547 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Damaged
Location
Cargo Door
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

AFT CARGO DOOR FWD LOWER CORNER IS DAMAGED. [SUP 05-16-07] RECHECKED DOUBLER INSTALLED ON AFT CARGO DOOR FWD LOWER CORNER. REMOVED EXISTING DOUBLER. TRIMMED OUT DAMAGED SKIN. PERFORMED HFEC PER NTM P6 51-00-00 FIG 6, NO CRACKS NOTED. FABRICATED AND INSTALLED REPAIR PARTS AND SEAL RETAINER. A/C OK FOR SERVICE. SUSPECT IMPACT BY GROUND EQUIPMENT.