What was found
FIRST OBSERVER`S RADIO POSITION MALFUNCTIONED. REPLACED AUDIO MANAGEMENT UNIT PER AMM, TEST PASSED ALL AUDIO AND COM. OPS CHECKED GOOD.
- Difficulty date
- February 26, 2013
- Submitted
- March 4, 2013
- Operation
- Air carrier
- Aircraft
- N793UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26946
- Aircraft time
- 68,649 hours, 9,803 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Amu
- Part number
- 5700110
- Part serial
- 34
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.