- Difficulty date
- September 25, 2023
- Submitted
- September 27, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 30,372 hours, 9,499 cycles
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 199385
- Condition
- Inoperative
- Location
- Hf Antenna
- Part time
- 30,365 hours, 9,496 cycles
- 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.
What was found
UNABLE TO TRANSMIT ON #1 HF RADIO. GROUNDED - YES. TRIED SERVICEABLE #1 HF TRANSCEIVER- NO HELP. RE-INSTALLED ORIGINAL HF TRANSCEIVER REF. AMM 23-11-21. REPLACED #1 HF ANTENNA COUPLER- OPS CHECKS O.K. REF AMM 23-11-61. REF LOG PAGE 60911932 FOR COUPLER ACCESS PNL SEALENT DEFERRAL. SEAMC PHIL NOTIFIED.