Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
September 10, 2023
Submitted
September 13, 2023
Operation
Air carrier
Aircraft
N481AS
Make and model
Boeing 737990ER
Aircraft serial
44106
Aircraft time
30,222 hours, 9,445 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 1 INOP. GROUNDED - YES. (RESOLVED ON W/O: 1968885 TASKCARD: N/R-00002 ) PERFORMED BITE TEST OF HF1 TRANSCEIVER REF FIM 23-11 TASK 801. NO DEFECTS FOUND. PERFORMED OPS TEST OF HF1 REF AMM 23-11-00, HF1 TRANSMITS AND RECEIVES WITH NO ISSUES. RELAMPED HF1 SWITCH BULBS ON PEDESTAL, NO DEFECTS. THIS CLEARS MEL 23-11A. C/N 10058481 REMOVED. SEAMC MITCH NOTIFIED.