What was found
CAPT OXYGEN MASK MICROPHONE IS INOPERATIVE. SUPPLEMENTAL DATA UPDATE MECHANIC SWAPPED MASKS, NO HELP. SUSPECT ELECTRICAL CONNECTION AT BOX. REPLACED AMU IAW MM. ACCOMPLISHED OPS CHECK OF CAPT O2 MASK MIC OKAY.
- Difficulty date
- March 3, 2011
- Submitted
- March 4, 2011
- Operation
- Air carrier
- Aircraft
- N410UA
- Make and model
- Airbus A320232
- Aircraft serial
- 463
- Aircraft time
- 57,808 hours, 21,292 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Amu
- Part number
- AMU2790CB04
- Condition
- Inoperative
- 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.