What was found
FAIL DISPLAY ON BOTH ACTIVE AND STBY WINDOWS OF THE NR 1 HF. ACFT GROUNDED. DISCREPANCY WAS INTERMITTENT. NR 2 HF WAS NORMAL. REPLACED THE NR 1 HF TRANSCEIVER. OPS NORMAL IAW AMM 23-11-21.
- Difficulty date
- March 9, 2018
- Submitted
- March 12, 2018
- Operation
- Air carrier
- Aircraft
- N583AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35681
- Aircraft time
- 40,185 hours, 11,895 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 3768
- Condition
- Intermittent
- Location
- Nr 1 Hf System
- Part time
- 24,198 hours, 7,103 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.