What was found
UNABLE TO TRANSMIT OR TUNE HF1 OR HF2. ABLE TO MONITOR SELECTED FREQ. REMOVED AND REPLACED HF COUPLER NR 1 REF MM 23-11-61 AND HF RT NR 2 REF 23-11-21 MM. BOTH SYSTEMS OPERATIONAL TEST REF MM 23-11-00. SYSTEMS OPERATIONAL TEST GOOD.
- Difficulty date
- September 23, 2009
- Submitted
- September 28, 2009
- Operation
- Air carrier
- Aircraft
- N560AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 11,942 hours, 3,773 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 17H34V
- Condition
- Malfunctioned
- Location
- Hf Sys
- Part time
- 1,209 hours, 362 cycles
- 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.