What was found
FLIGHT CONTROL PROBLEM, RTFL. NO EMERGENCY DECLARED. DUMPED 110,000LBS FUEL. POSITION TRANSMITTER REMOVED AND FOUND COUPLING CRACKED, COUPLING REPLACED AND CHECKED NORMAL. POSITION TRANSMITTER REPLACED AND ADJUSTMENT PERFORMED NORMAL.
- Difficulty date
- January 12, 2012
- Submitted
- January 24, 2012
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 85,475 hours, 9,582 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2710 · Aileron Control System
- Part
- Coupling
- Condition
- Cracked
- Location
- Transmitter
- Component
- Transmitter
- Component part number
- 41007210103
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- F, J
- Precautionary procedure
- J, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.