Service difficulty report · Transceiver · Boeing 737990ER
FAA SDR system
- Difficulty date
- February 15, 2018
- Submitted
- February 21, 2018
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 10,100 hours, 3,399 cycles
- Part
- Transceiver
- Part number
- 8220990004
- Part serial
- 17H6PL
- Condition
- Failed
- Location
- Hf System
- Part time
- 20,232 hours, 6,173 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF2 FAIL FLAGS ON COMMUNICATIONS PANEL. ACFT GROUNDED. ACCOMPLISHED FIM 23-11, TASK 801. HF 2 BITE PROCEDURE KEY INTERLOCK LIGHT FAILS BITE TEST. PERFORMED FIM 23-11, TASK 804. REMOVED AND REPLACED HF 2 TRANSCEIVER IAW AMM 23-11-21-000-801, AND 23-11-21-400-801. BITE TESTED AND HF2 OPS TESTS PASSED.