SDR IPXA2017011812918

Service difficulty report · Unknown · Boeing 76734AF

Difficulty date: January 18, 2017
Submitted: January 18, 2017
Operation: Air carrier
Aircraft: N302UP
Make and model: Boeing 76734AF
Aircraft serial: 27240
Aircraft time: 55,495 hours, 18,191 cycles
System (JASC): 2310 · HF Communications System
Part: Unknown
Condition: Malfunctioned
Location: Hf Comm
Stage of operation: CR
How discovered: O
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

INSPECTION TYPE:ETOP, BOTH NR 1 & NR 2 HF RADIO CANNOT TRANSMIT, BOTH RADIO OPS CHECKED OK ON GROUND, BUT INFLIGHT WOULD NOT TRANSMIT. DIVERTED TO RJBB DUE TO NOT MEETING MINIMUM COMM REQUIREMENT FOR RNP AIRSPACE. T/S PER FIM23-11-00 FIG103. REPLACED RELAY K178 PER MM 32-09-02-201, L & R HF COUPLER PER MM 23-11-01-401, L & R HF TRANSCEIVER PER MM 23-11-03-401, L & R HF CONT PANEL PER MM 23-11-02-401. L & R HF SYSTEM TEST OK PER MM 23-11-00-501.

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