Service difficulty report · Coupler · Boeing 737890

Difficulty date
July 11, 2018
Submitted
August 6, 2018
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
38,402 hours, 11,773 cycles
Part
Coupler
Part number
8220987004
Part serial
177261
Condition
Failed
Location
Hf Comm
Part time
25,726 hours, 7,649 cycles
Stage of operation
NR
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

HF-2 DOES NOT CHANNELIZE. GROUNDED - YES. REMOVED AND REPLACED HF 2 COUPLER PER AMM 23-11-61. PERFORMED GOOD OPS TEST OF HF 2 PER AMM 23-11-61-400-801.