What was found
HF 2 NO SIDE TONE. ACFT GROUNDED. TROUBLESHOOT TO BAD HF2 TRANSCEIVER. REMOVED IAW AMM 23-12-21-020-801. INSTALLED IAW AMM 23-12-21-420-801. OPS CHECK TEST OK IAW AMM 23-11-00-710-801.
- Difficulty date
- April 18, 2012
- Submitted
- April 20, 2012
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 14,288 hours, 4,554 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 18RV5G
- Condition
- Failed
- Location
- Hf System
- Part time
- 1,353 hours, 393 cycles
- Stage of operation
- TX
- 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.