Service difficulty report · Bolt · Boeing 747422

Difficulty date
November 14, 2012
Submitted
November 21, 2012
Operation
Air carrier
Aircraft
N117UA
Make and model
Boeing 747422
Aircraft serial
28810
Aircraft time
56,520 hours, 6,775 cycles
Engine
Pwa PW4056
Part
Bolt
Condition
Loose
Location
Mlg Door
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

MLG CENTER LINE GEAR DOOR HINGE BOLTS ARE LOOSE, VISIBLE GAPS UNDER LEFT DOOR BOLT HEADS. VIEWED BETWEEN DOORS LOOKING UP. TIGHTEN BOLTS.