What was found
HF#2 SHOWS FAIL IN BOTH WINDOWS. GROUNDED - YES. NO ACTIVE FAULT ONS SHOWS 23-21042 INTERNAL FAULT. REMOVED AND REPLACED HF #2 R/T REF B737-9 AMM 23-11-21-000/400-801. GROUND VERIFICATION PASS.
- Difficulty date
- June 1, 2023
- Submitted
- June 5, 2023
- Operation
- Air carrier
- Aircraft
- N978AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43348
- Aircraft time
- 3,449 hours, 1,003 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 4RRLCN
- Condition
- Failed
- Location
- E/E Rack, E6
- Part time
- 3,449 hours, 1,003 cycles
- 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.