What was found
HF1 INTERMITTENT. GROUNDED - YES. REMOVED AND REPLACED #1 HF TRANSCEIVER REF B737-800 AMM 23-11-21. COMPLETED OP-TESTING OF THE #1 HF TRANSCEIVER PER AMM 23-11-21/401. ALL TESTS NORMAL.
- Difficulty date
- May 29, 2021
- Submitted
- June 9, 2021
- Operation
- Air carrier
- Aircraft
- N533AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35201
- Aircraft time
- 38,673 hours, 11,165 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 16FVK7
- Condition
- Intermittent
- Location
- Nr 1
- Part time
- 34,607 hours, 10,108 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.