What was found
UPPER DECK BS 1200 LT FRAME AND TENSION TIE CRACKED. FRAME CRACKED AT 2 HOLES, TENSION TIE CRACKED AT 6 HOLES. MAJOR REPAIR ACCOMPLISHED: INSTALLED NEW CHANNEL SECTION AND REPAIR ANGLES.
- Difficulty date
- December 31, 2009
- Submitted
- December 31, 2009
- Operation
- Air carrier
- Aircraft
- N171UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24322
- Aircraft time
- 76,508 hours, 9,128 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Cracked
- Location
- Bs 1200
- 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.