What was found
NR 1 HF WILL NOT TRANSMIT. TRIED BOTH PTT AND BOTH SEPARATE HAND MICS. COULD HEAR ON NR 1. NR 2 HF WORKED FINE. ACFT GROUNDED. REPLACED THE NR 1 HF TRANSCEIVER IAW AMM 23-11-21-000-801 AND 23-11-21-400-801. OPS CHECKED GOOD.
- Difficulty date
- February 15, 2017
- Submitted
- February 17, 2017
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 37,811 hours, 11,211 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 40CGKR
- Condition
- Failed
- Location
- Nr 1 Hf
- Part time
- 17,136 hours, 4,983 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.