Service difficulty report · Unknown · Boeing 7379

Difficulty date
December 22, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N919AK
Make and model
Boeing 7379
Aircraft serial
44087
Aircraft time
2,110 hours, 733 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
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 NO 2 APPEARS TO BE INOPERATIVE/UNUSABLE. RECEPTIONS ARE UNREADABLE AND TRANSMISSIONS GO UNANSWERED ON ALL FREQUENCIES. GROUNDED - YES. PERFORMED BITE TEST ON HF 1 AND HF2, HF 1 FAIL, SWAPPED, HF1 AND HF2 TO TS, HF1 FAILS. SWAPPED HF1 AND HF2 TO ORIGINAL POSITION BITE TEST GOOD ON BOTH SYSTEMS. REF LOGPAGE 60243692 FOR RESOLUTION OF HF1 ISSUE.

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