What was found
UNABLE TO MAKE CALLS OUT FROM AFT CREW REST ON THE INTERPHONE, CAN RECEIVE CALLS THOUGH. REPLACED LAC#4 PER MM, SYSTEM NORMAL.
- Difficulty date
- January 10, 2012
- Submitted
- January 11, 2012
- Operation
- Air carrier
- Aircraft
- N105UA
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Aircraft time
- 72,141 hours, 8,564 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Controller
- Part number
- 1167006144
- Part serial
- 204
- Condition
- Faulty
- Location
- Interphone
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.