What was found
ASA TECH SERVICE REQUEST. FOLLOW UP TO REPORTS OF #2 HF INOP. GROUNDED - YES. REMOVED AND REPLACED #2 HF COUPLER ANTENNA IAW B737-900 AMM 23-11-61/401. OPERATIONAL TEST GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- May 9, 2022
- Submitted
- May 9, 2022
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 25,109 hours, 7,904 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Part serial
- 199385
- Condition
- Inoperative
- Location
- Vertical Fin
- Part time
- 25,109 hours, 7,904 cycles
- Stage of operation
- IN
- 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.