Service difficulty report · Stringer · Boeing 747422

Difficulty date
December 4, 2012
Submitted
January 18, 2013
Operation
Air carrier
Aircraft
N180UA
Make and model
Boeing 747422
Aircraft serial
25224
Aircraft time
89,974 hours, 10,738 cycles
Engine
Pwa PW4056
Part
Stringer
Condition
Dented
Location
Fuselage
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 TWO DENTS JUST FORWARD OF NOSE GEAR DOORS. APPROX STATION 220 BELOW WATER LINE 199.8. ACCOMPLISHED HFEC INSP PER NDT MM 51-00-01 PART6, AND ECRA# 5330-04309, NO CRACKS NOTED. REMOVED DAMAGE. INSTALLED EXTERNAL DOUBLER REF SRM 53-00-01 RPR 1. INSTALLED STRINGER Z-ANGLE REPAIR PER SRM 53-00-03 RPR 4.