Service difficulty report · Coupler · Boeing 7379

Difficulty date
December 6, 2022
Submitted
December 12, 2022
Operation
Air carrier
Aircraft
N920AK
Make and model
Boeing 7379
Aircraft serial
44086
Aircraft time
4,331 hours, 1,294 cycles
Part
Coupler
Part number
8220987004
Part serial
226906
Condition
Damaged
Location
Hf Antenna
Part time
4,441 hours, 1,325 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

HF RADIO #2 WILL NOT TRANSMIT. GROUNDED - YES. REMOVED AND REPLACED NR 2 HF ANTENNA COUPLER IAW AMM 23-11-61-401.

More about the Boeing 737-9