What was found
HF-1 SHOWS FAIL IN ACP MCU. GROUNDED - YES. RESET HF 1 C/B PERFORMED BITE TEST REF B737-800 FIM 23-11 TASK 801 NO FAULTS FOUND OP CHECK OK. A/C OK FOR SERVICE.
- Difficulty date
- June 23, 2021
- Submitted
- June 26, 2021
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 46,208 hours, 13,681 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Hf Comm
- Condition
- Malfunctioned
- Location
- Nr 1
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.