Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
June 25, 2023
Submitted
June 27, 2023
Operation
Air carrier
Aircraft
N472AS
Make and model
Boeing 737990ER
Aircraft serial
60580
Aircraft time
30,733 hours, 9,478 cycles
Part
Transceiver
Part number
8220990004
Part serial
44Y594
Condition
Failed
Location
Aft Cargo Compt
Part time
30,727 hours, 9,476 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

RTP DISPLAYS "FAIL FAIL" WHEN HF2 SELECTED. GROUNDED - YES. PERFORMED BITE PER FIM 23-11 TASK 801 FOR #2HF XCVR AND FOUND #2HF XCVR DEAD(INOP). REMOVED AND REPLACED #2HF XCVR. PERFORMED GOOD INSTALLATION TEST REF AMM 23-11-21/401.