What was found
NR 2 HF INOPERABLE UNABLE TO TRANSMIT AND NEGATIVE SEL CAL CHECK. GROUNDED-YES. PERFORMED B737-900 FIM 23-11 TASK 806 HF 2 RECEIVE/TRANSMIT PROBLEM. REPLACED HF 2 TRANSCEIVER, PER B737-900 AMM 23-11-21. OPERATIONS CHECK GOOD.
- Difficulty date
- December 27, 2020
- Submitted
- December 29, 2020
- Operation
- Air carrier
- Aircraft
- N467AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 24,590 hours, 8,008 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 46T3GP
- Condition
- Inoperative
- Location
- Hf Comms
- Part time
- 20,169 hours, 6,440 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.