Service difficulty report · Failsafe · Boeing 747422

Difficulty date
May 27, 2010
Submitted
May 28, 2010
Operation
Air carrier
Aircraft
N194UA
Make and model
Boeing 747422
Aircraft serial
26892
Aircraft time
49,403 hours, 5,581 cycles
Engine
Pwa PW4056
Part
Failsafe
Condition
Cracked
Location
Bs 1140 Frame
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

CRACK-FRAME ATTACH FAIL SAFE CHORD HOLE AT STA 1140 RT. MAJOR REPAIR ACCOMPLISHED: REMOVED DAMAGED CHORD. HFEC-NO CRACKS. FABRICATED AND INSTALLED REPAIR PARTS.