What was found
NR 1 HF FAILED IN FLIGHT RTP SHOWS "FAIL". GROUNDED - YES. PERFORMED HF BITE TEST REF FIM 23-11 TASK 801 FOUND NR 1 LRU TRANSCEIVER FAIL. REMOVED AND REPLACED NR 1 HF TRANSCEIVER PER AMM 23-11-21 #1 HF OPS CK NORMAL.
- Difficulty date
- January 25, 2019
- Submitted
- January 29, 2019
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 41,089 hours, 12,467 cycles
- System (JASC)
- 2310 · HF Communications System
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 18RTDY
- Condition
- Failed
- Location
- Hf Comm
- Part time
- 20,898 hours, 6,228 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.