What was found
HF #1 FAIL-FAIL INDICATION. GROUNDED - YES. REMOVED AND REPLACED #1 HF TXCVR REF B737-900 AMM 23-11-21.
- Difficulty date
- March 14, 2023
- Submitted
- March 16, 2023
- Operation
- Air carrier
- Aircraft
- N448AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36356
- Aircraft time
- 24,610 hours, 7,718 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 4793LV
- Condition
- Failed
- Location
- E/E Bay, E8-1
- Part time
- 24,597 hours, 7,714 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.