Service difficulty report · Angle · Boeing 747422

Difficulty date
February 4, 2009
Submitted
February 6, 2009
Operation
Air carrier
Aircraft
N197UA
Make and model
Boeing 747422
Aircraft serial
26901
Aircraft time
46,836 hours, 5,641 cycles
Engine
Pwa PW4056
Part
Angle
Condition
Corroded
Location
Access Panel
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

CORROSION ON T-ANGLE AFT SIDE OF PANEL 191KK (KEEL BEAM ACCESS PANEL). FOUND BELLY FAIRING PANELS BULGING ON KEEL BEAM. CONFIRMED CORROSION ON T-ANGLE AFT SIDE OF PANEL 191KK. RECEIVED T-ANGLE FROM SHOP, MANUFACTURING SPLICE PIECES, WORKING WITH EG ON FINAL REPAIR LAYOUT. REPAIR INSTALLED.