What was found
HF 1 FAILED ABOUT 90 MINUTES INTO THE FLIGHT - NO AUDIO AT ALL, SENSITIVITY AT 100%. CIRCUIT BREAKER NOT POPPED. GROUNDED - YES. ABLE TO COMMUNICATE. SYS CKS NML. NO FAULTS FOUND. PERFORMED SYS OPS TEST REF AMM 23-11-00.
- Difficulty date
- June 30, 2019
- Submitted
- July 2, 2019
- Operation
- Air carrier
- Aircraft
- N559AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 47,431 hours, 14,077 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Hf Comm
- Stage of operation
- CR
- 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.