Service difficulty report · Coupler · Boeing 757222

Difficulty date
August 14, 2012
Submitted
August 28, 2012
Operation
Air carrier
Aircraft
N597UA
Make and model
Boeing 757222
Aircraft serial
28750
Aircraft time
53,056 hours, 14,965 cycles
Engine
Pwa PW2037
Part
Coupler
Part number
490S1
Part serial
44
Condition
Faulty
Location
Nr 2 Hf Sys
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

NR 2 HF WILL NOT TUNE. REPLACED NR 2 COUPLER PER AMM, OPS CHECKED GOOD.