What was found
H1 DOESN'T XMIT. GROUNDED-YES. PERFORMED B737-800 FIM 23-11 TASK 806 HF1 OPERATIONS NORMAL. PERFORMED BITE TEST 23-11 TASK 801, NO FAULTS FOUND. SEAMC MARK NOTIFIED.
- Difficulty date
- December 29, 2020
- Submitted
- January 1, 2021
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 54,170 hours, 15,820 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Hf Comm
- Condition
- Malfunctioned
- Location
- Nr 1
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.