Service difficulty report · Coupler · Boeing 757222

Difficulty date
September 13, 2011
Submitted
September 19, 2011
Operation
Air carrier
Aircraft
N552UA
Make and model
Boeing 757222
Aircraft serial
26641
Aircraft time
75,234 hours, 21,693 cycles
Engine
Pwa PW2037
Part
Coupler
Part number
490S1
Part serial
115823
Condition
Faulty
Location
Hf Comm
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT HF RADIO DOES NOT TRANSMIT. SAMC TEXT: PLZ ACP BITE PER FIM. NO PARTS OR EQUIPMENT IN OGG. PUT GOOD RECEIVER FROM ANOTHER A/C INTO POSITION, NO HELP. PUT ORIGINAL R-T BACK IN LEFT POSITION. REPLACED LEFT HF COUPLER PER MM. CO PART S/N 10360 INSTALLED AT PTT 7523404. REMOVED S/N 115823.