What was found
COCKPIT CHIME SOUNDS WHENEVER FA'S CALL EACH OTHER ON SERVICE INTERPHONE. REPLACED AUDIO ACCESSORY UNIT.
- Difficulty date
- April 5, 2012
- Submitted
- April 6, 2012
- Operation
- Air carrier
- Aircraft
- N549UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25397
- Aircraft time
- 76,562 hours, 22,117 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Accessory Unit
- Part number
- 285T0001210
- Part serial
- 124
- Condition
- Malfunctioned
- Location
- Interphone
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.