What was found
HF #1 FAIL MESSAGE. GROUNDED - YES. CONFIRMED. #1 HF TRANSCEIVER WILL NOT BITE TEST. RMVD & RPLCD #1 HF TRANCEIVER REF B737-900 AMM 23-11-21. OPS NML PER SAME. ETOPS GND VERIFICATION TEST SUCCESSFUL.
- Difficulty date
- May 1, 2021
- Submitted
- May 3, 2021
- Operation
- Air carrier
- Aircraft
- N419AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41734
- Aircraft time
- 30,128 hours, 9,714 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 18YGXC
- Condition
- Failed
- Location
- Nr 1 Hf
- Part time
- 30,123 hours, 9,712 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.