What was found
FAIL FLAGS ON HF1. GROUNDED - YES. IAW B737-800 FIM 23-11 TASK 801, HF COM SYS BITE PROCEDURE C/OUT, BITE TEST PASSED. HF 1 SYS FAIL MSG UNLATCHED. NO FAIL MSG ON HF 1. HF TEST GND VERIFICATION PASSED.
- Difficulty date
- April 2, 2022
- Submitted
- April 5, 2022
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 58,055 hours, 16,845 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- 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.