What was found
UNABLE TO TUNE OR TRANSMIT ON NR 2 HF. REPLACED NR 2 HF COUPLER. GROUND VERIFICATION TEST PASSED.
- Difficulty date
- March 23, 2008
- Submitted
- March 24, 2008
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 4,326 hours, 1,273 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Coupler
- Part number
- 8220987004
- Condition
- Faulty
- Location
- Nr 2 Hf System
- 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.