What was found
BOOM MICROPHONE OPERATION IS UNSATISFACTORY AT FIRST OBSERVER`S STATION. MINITEL LOCATED BEHIND CAPTAIN'S SEAT. REPLACED BOOM MIC.
- Difficulty date
- December 21, 2013
- Submitted
- December 24, 2013
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 93,163 hours, 10,344 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Microphone
- Condition
- Faulty
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.