Service difficulty report · Skin · Boeing 747422

Difficulty date
September 20, 2006
Submitted
September 26, 2006
Operation
Air carrier
Aircraft
N177UA
Make and model
Boeing 747422
Aircraft serial
24384
Aircraft time
67,984 hours, 8,555 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Cracked
Location
Fuselage
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

FOUND FASTENER HOLE (1 EA) CRACKED ABOUT .70 IN AFT OF CARGO DOOR CUTOUT UPPER FWD CORNER. REMOVED FASTENER. PERFORMED HFEC INSP, NO CRACK. MEASURED SHIM, 0.057". ACCOMPLISHED DAMAGE CUT-OUT PER SRM 53-60-01 FIG 201. DRILLED AND REAMED PER SRM 53- 60-01-FIG 201, INSTALLED REPAIR PER SRM. AC READY FOR SERVICE. SUSPECT DOOR OPENING PROCESS, & GUSTS WHILE DOOR WAS OPEN CAUSED SKIN CRACK NEAR FASTENER HOLE.