- Difficulty date
- September 15, 2021
- Submitted
- September 16, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 31,904 hours, 10,192 cycles
- Part
- Hf Comm
- Part number
- 0000
- Condition
- Inoperative
- Location
- Nr 2
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF 2 INOP. GROUNDED - YES. FOUND "INOP" IN BOTH RTP HF#2 WINDOWS. PERFORMED RTP INOP TOGGLE PROCEDURE REF B737-900 AMM 23-12-41. 1 EA C/B ON P18-2 OPENED, TAGGED, UNTAGGED, RESET. HF #2 NOW OPS NML REF B737-900 FIM 23-11 TASK 801. ETOPS GND VERIFICATION TEST SUCCESSFUL.