Service difficulty report · Drive Assy · Boeing 7879

Difficulty date
April 22, 2025
Submitted
April 24, 2025
Operation
Air carrier
Aircraft
N36962
Make and model
Boeing 7879
Aircraft serial
35880
Aircraft time
44,349 hours, 4,254 cycles
Part
Drive Assy
Part number
8222131003
Part serial
4CVMXN
Condition
Faulted
Location
Wx Radar
Part time
26,743 hours, 2,527 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

WEATHER RADAR SYS ADVISORY WXR FUNCTIONS HAVE FAILED OR PARTIALLY FAILED ON BOTH LEFT AND R IGHT SIDES OR MANUALY SELECTED TO A FAILED WXR. FIM TASK REF : 34-40-F2-A8A-421A-A CMC MSG# 3460111 FLIGHT STATUS: A INTERMITTENCE CODE: I PH: CRUISE NARRATIVE: RIGHT INTEG SURVEILLANC E SYSTEM PROC UNIT MNT MSG 34-60111 STORED , R&R WXR RADAR ANTENNA DRIVE UNIT , OPS CHK OK. IAW DMC-B787-A-34-42-03-00A-720A-A , DMC-B787-A-34-40-F2-37A-421A-A. NO EXISTING FAULT STORED. ACFT OK FOR SERVICE.

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