What was found
PA AND CABIN INTERPHONE INOP. CREW COMMENTS: 4L CABIN INTERPHONE DOOR 4L WILL NOT TRANSMIT. REMAINING CREW PHONES, OPS OKAY. REPLACED INTERPHONE HARNESS, INSTALL DATABASE CHECKED OK AND OPS NORMAL.
- Difficulty date
- November 25, 2012
- Submitted
- January 14, 2013
- Operation
- Air carrier
- Aircraft
- N120UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29166
- Aircraft time
- 56,063 hours, 6,534 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Harness
- Condition
- Inoperative
- 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.