What was found
CAPTAIN'S OXYGEN MASK MICROPHONE IS INOPERATIVE. REPLACED CAPTAIN'S O2 MASK IAW AMM, NO HELP. REPLACED CAPTAIN'S AUDIO PANEL IAW AMM, NO HELP. REPLACED AUDIO MANAGEMENT UNIT PN AMU2790CB04 - SERIAL 131. OPERATIONS CHECKED GOOD.
- Difficulty date
- September 24, 2013
- Submitted
- September 27, 2013
- Operation
- Air carrier
- Aircraft
- N405UA
- Make and model
- Airbus A320232
- Aircraft serial
- 452
- Aircraft time
- 67,244 hours, 24,950 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Amu
- Part number
- ACP2788AB04
- Part serial
- 420
- 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.