SDR AALA201603239013

Service difficulty report · Coupler · Boeing 75723N

Difficulty date: March 19, 2016
Submitted: March 23, 2016
Operation: Air carrier
Aircraft: N203UW
Make and model: Boeing 75723N
Aircraft serial: 30548
Aircraft time: 50,735 hours, 14,950 cycles
System (JASC): 2310 · HF Communications System
Part: Coupler
Condition: Defective
Location: Hf Comm
Stage of operation: UK
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DIVERTED, ACFT WAS GNDED. 150 MILES BEFORE ETOP, THE FLIGHT CREW TRIED TO CONTACT SFO & BOTH HR RADIOS WERE INOPERATIVE. ACFT DIVERTED, WHERE IT LANDED SAFELY WITH NO FURTHER INCIDENT. NO EMER WAS DECLARED BY THE CREW. REMOVED & INSTALLED THE LT & RT HF COUPLERS IAW AMM 23-11-01. ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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