What was found
ATB. HF NR 1 UNABLE TO TRANSMIT. TRIED NUMEROUS TIMES, NUMEROUS FREQUENCIES AND ALL 3 RNPS UNSUCCESSFUL. GROUNDED - YES. REMOVED AND REPLACED HF 1 COUPLER PER AMM 23-11-36. OPS CHECK GOOD. NO DEFECT NOTED. OK FOR SERVICE.
- Difficulty date
- August 26, 2026
- Submitted
- August 28, 2026
- Operation
- Air carrier
- Aircraft
- N381HA
- Make and model
- Airbus A330243
- Aircraft serial
- 1114
- Aircraft time
- 64,787 hours, 10,536 cycles
- System (JASC)
- 2311 · UHF Communications System
- Part
- Coupler
- Part number
- 9640453001
- Part serial
- 01991
- Condition
- Unserviceable
- Location
- Hf 1 Antanna
- Part time
- 116,796 hours, 12,696 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.