SDR ASAA2023101445653

Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date: October 14, 2023
Submitted: October 16, 2023
Operation: Air carrier
Aircraft: N481AS
Make and model: Boeing 737990ER
Aircraft serial: 44106
Aircraft time: 30,570 hours, 9,561 cycles
System (JASC): 3442 · Weather Radar System
Part: Transceiver
Part number: 8221710311
Part serial: 45M268
Condition: Failed
Location: Wx Radar
Part time: 30,579 hours, 9,564 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

WEATHER RADAR FAILED. GROUNDED - YES. PERFORMED WXR BITE TEST NO FAULTS PER FIM 34-42 TASK 801, UNABLE TO DUPLICATE DISCREPANCY, REPLACED NEW WXR RT & PERFORMED INSTALLATION TEST GOOD AMM 34-43-41/401, CLEARS MEL 34-15D, PLACARD REMOVED, SEAMC WILL NOTIFIED.