Service difficulty report · Coupler · Boeing 777222

Difficulty date
August 30, 2012
Submitted
October 11, 2012
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
69,453 hours, 13,255 cycles
Engine
Pwa PW4077
Part
Coupler
Part number
8220987003
Part serial
28
Condition
Faulty
Location
Hf Comm
Stage of operation
NR
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

HF RADIO - TUNING PROBLEM. IN REF TO CH3708, RIGHT COUPLER WAS REPLACED. STILL NEED LEFT COUPLER REPLACED. REPLACED LEFT COUPLER PER AMM, OP CHECK NORMAL.