What was found
F/O O2 MASK NO AUDIO ON TEST. R & R AMU IAW AMM 23-51. PERFORMED BITE TEST OF THE AMU IAW AMM 23-51.TEST OK. PERFORMED OPS TEST OF THE O2 MASK MICROPHONE IAW AMM 23-51.OPS TEST GOOD. OK FOR SVC. (LP: 8847368, AIRCRAFT WAS GROUNDED)
- Difficulty date
- July 25, 2026
- Submitted
- July 29, 2026
- Operation
- Air carrier
- Aircraft
- N315NB
- Make and model
- Airbus A319114
- Aircraft serial
- 1230
- Aircraft time
- 69,455 hours, 36,110 cycles
- System (JASC)
- 2300 · Communications System
- Part
- Amu
- Part number
- AMU2790CB04
- Part serial
- 935
- Condition
- Failed
- Location
- Zone 200
- Part time
- 113,737 hours, 17,348 cycles
- Stage of operation
- TX
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.