What was found
HF RADIO #2 FAIL. GROUNDED - YES. PERFORMED B737-900 FIM 23-11 TASK 801, LRU BITE TEST GOOD. PERFORMED HF SYSTEM TEST REF B737-9 AMM 23-11-00. #2 HF TUNES , TRANSMITS AND RECEIVES. OPS CHK NML. GROUND VERIFIICATION TEST GOOD.
- Difficulty date
- July 23, 2022
- Submitted
- July 27, 2022
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 29,760 hours, 9,444 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Radio
- Condition
- Failed
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.