What was found
F/O O2 MASK DOES NOT TRANSMIT VOICE ON FLT INPH TO F/O SPEAKER. REPLACED AUDIO ACC UNIT AND RESEATED PIN 5 & 6 ON CONNECTOR D337 AUDIO SELECTOR PNL (F/O'S )SYSTEMS GRD CHECKS NORMAL.
- Difficulty date
- March 16, 2012
- Submitted
- April 20, 2012
- Operation
- Air carrier
- Aircraft
- N567UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26673
- Aircraft time
- 64,139 hours, 23,646 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Accessory Unit
- Part number
- 285T0001210
- Part serial
- 96
- Condition
- Malfunctioned
- Location
- Audio System
- 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.