Service difficulty report · Hf Comm · Doug MD11F

Difficulty date
November 12, 2019
Submitted
November 13, 2019
Operation
Air carrier
Aircraft
N291UP
Make and model
Doug MD11F
Aircraft serial
48477
Aircraft time
74,463 hours, 12,198 cycles
Part
Hf Comm
Condition
Inoperative
Location
Nr 2
Stage of operation
CR
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

INSPECTION TYPE:N/AATB - NEITHER HF 1 OR HF 2 HAVE VOICE CAPABILITY. NO TURNING ABILITY. ALL 3 RADIO HEADS USED TO TRY HF COMM, NO CAPABILITY. ATC ATTEMPTED SELECT CHECK. WE DIDN'T RECEIVE SELCAL.CYCLED BOTH HF1 & HF2 C/B'S. OPS CHK GOOD PER MM 23-11-01. BOTH RADIOS TESTED ON FREQ 5.5. 74 OK FOR SERVICE.

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