SDR ASAA2022110740664

Service difficulty report · Hf Comm · Boeing 7379

Difficulty date: November 7, 2022
Submitted: November 9, 2022
Operation: Air carrier
Aircraft: N920AK
Make and model: Boeing 7379
Aircraft serial: 44086
Aircraft time: 4,015 hours, 1,206 cycles
System (JASC): 2310 · HF Communications System
Part: Hf Comm
Condition: Inoperative
Location: Nr 2
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.

What was found

HF2 WILL NOT TRANSMIT ON 5547, RECEIVE OK. GROUNDED - YES. C/W TASK B737-9 AMM 23-11-00-730-801, HF COMMUNICATION SYSTEM - SYSTEM TEST, COMM BETWEEN ANOTHER A/C ALL TESTS COMMS NORMAL WITH SAID FREQ. 5547. TRANSMIT AND RECEIVED NORMAL. NO FAULTS FOUND.

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