What was found
F/O CANNOT MAKE ANY PA ANNOUNCEMENT FROM ANY MIC SWITCH (BOOM, YOKE, HAND OR CONSOLE PTT). GROUND CHECK OK. BUT COULD BE INTERMITTENT. REPLACED AUDIO ACCESSORY UNIT, OP TEST OKAY.
- Difficulty date
- August 15, 2011
- Submitted
- August 19, 2011
- Operation
- Air carrier
- Aircraft
- N595UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28748
- Aircraft time
- 53,197 hours, 14,832 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Accessory Unit
- Part number
- 285T0001210
- Part serial
- 12
- Condition
- Faulty
- Location
- Pa System
- Stage of operation
- IN
- 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.