What was found
BOOM MICROPHONE OPERATION IS UNSATISFACTORY AT CAPTAIN`S STATION. SWITCHED TO SPARE MINITEL FOR CAPTAIN'S POSITION. OPERATIONS CHECKED OKAY. REPLENISHED SPARE.
- Difficulty date
- October 23, 2013
- Submitted
- October 25, 2013
- Operation
- Air carrier
- Aircraft
- N121UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29167
- Aircraft time
- 60,344 hours, 7,001 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Microphone
- Condition
- Defective
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.