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SDR ASAA2017061921136

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Service difficulty report · Transceiver · Boeing 737890

FAA SDR system

Difficulty date
June 19, 2017
Submitted
June 22, 2017
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
37,747 hours, 11,129 cycles
System (JASC)
2310 · HF Communications System
Part
Transceiver
Part number
8220990004
Part serial
17H34Y
Condition
Failed
Location
Nr 2 Hf System
Part time
29,888 hours, 8,775 cycles
Stage of operation
TX
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.

What was found

DURING PREFLIGHT, FOUND THE NR 2 HF CIRCUIT BREAKER OPEN. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED THE NR 2 HF TRANSCEIVER IAW AMM 23-11-21-400-801, TEST PASSED. ACCOMPLISHED HF COMMUNICATION SYSTEM TEST IAW AMM 23-11-00-730-801, TEST PASSED. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.