What was found
UNABLE TO ESTABLISH ACARS LINK OR SELECT ACARS FREQUENCY. SATCOM VOICE AND HF OPERATE NORMAL. REPLACED CTR VHF TRANSCEIVER REF MM, ACP'D RESET OF L&R AIMS MOD 001, SYSTEM CHECKS OK, ACARS VHF FREQ STAYS IN PRIMARY. 131.55.
- Difficulty date
- December 13, 2012
- Submitted
- January 18, 2013
- Operation
- Air carrier
- Aircraft
- N771UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26932
- Aircraft time
- 69,027 hours, 12,461 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2312 · VHF Communications System
- Part
- Transceiver
- Part number
- 8220693120
- Part serial
- 345
- Condition
- Faulty
- Location
- Vhf Comm
- 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.