What was found
'FAIL' MESSAGE IN BOTH WINDOWS OF NAV 2, WITH HF2 SELECTED. GROUNDED - YES. REMOVED AND REPLACED NR 2 HF TRANSCEIVER IAW AMM 23-11-21/401. NR 2 HF INSTALLATION TESTED AND GROUND VERIFICATION NORMAL.
- Difficulty date
- February 12, 2017
- Submitted
- February 16, 2017
- Operation
- Air carrier
- Aircraft
- N403AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41730
- Aircraft time
- 17,120 hours, 5,578 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 18PGKX
- Condition
- Failed
- Location
- Hf Comm
- Part time
- 19,607 hours, 6,280 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.