Service difficulty report · Channel · Boeing 747422

Difficulty date
June 19, 2013
Submitted
June 27, 2013
Operation
Air carrier
Aircraft
N121UA
Make and model
Boeing 747422
Aircraft serial
29167
Aircraft time
58,897 hours, 6,853 cycles
Engine
Pwa PW4056
Part
Channel
Condition
Cracked
Location
Bs 1120
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

TENSION TIE FWD CHANNEL CRACKED AT FASTENER HOLE, BS 1120. REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR ANGLE REF SRM 53-40-30, REPAIR 1. MAJOR REPAIR.