Service difficulty report · Transceiver · Boeing 757251

Difficulty date
August 18, 2025
Submitted
August 19, 2025
Operation
Air carrier
Aircraft
N552NW
Make and model
Boeing 757251
Aircraft serial
26499
Aircraft time
60,537 hours, 27,999 cycles
Part
Transceiver
Part number
8220334004
Part serial
4VYCDR
Condition
Inoperative
Location
Radio Altimeter
Part time
3,143 hours, 1,791 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
L

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

What was found

-MISC/DE- DUE TO GEAR NOT DOWN GPWS WARNING. REPLACED LEFT RADIO ALTIMETER TRANSCEIVER.