What was found
LEFT HF INOP. REMOVED AND REPLACED LH HF COUPLER PER AMM 23-11-01 OPS CHECK GOOD. RH COUPLER REPLACED FOR PRECAUTIONARY REASONS.
- Difficulty date
- December 8, 2022
- Submitted
- December 13, 2022
- Operation
- Air carrier
- Aircraft
- N399CM
- Make and model
- Boeing 767323
- Aircraft serial
- 25451
- Aircraft time
- 107,953 hours, 18,244 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 7926140001
- Part serial
- 5161
- Condition
- Failed
- Part time
- 3,042 hours, 772 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.