What was found
DURING PRE-FLIGHT HF-2 "FAIL-FAIL ANNUNCIATED ON ACP. GROUNDED - YES. PERFORMED RESET AND OPS TEST PER AMM 23-11-21-860-006, OK FOR SERVICE.
- Difficulty date
- November 5, 2023
- Submitted
- November 7, 2023
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 30,897 hours, 9,699 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.