Service difficulty report · Transceiver · Boeing 7879

Difficulty date
August 1, 2023
Submitted
August 2, 2023
Operation
Air carrier
Aircraft
N24973
Make and model
Boeing 7879
Aircraft serial
40941
Aircraft time
25,759 hours, 2,483 cycles
Part
Transceiver
Part number
8222127003
Part serial
78FFY
Condition
Faulty
Location
Wx Radar
Part time
11,184 hours, 1,165 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

WX RADAR INT FAIL IN FLIGHT BOTH SIDES. REMOVED AND REPLACED LH, RH WX TRANSCEIVERS AND RADAR ANT PEDESTAL. REF AMM 34-42-02 AND 34-42-03. GROUND TEST PASSED. NO ACTIVE MSG. PARTS USED: 78-3443-9-9003,QTY :1 78-3442-9-0004,QTY :1 1093015,QTY :1 ADD EMP:U104415 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1710363 SN OFF 0078 TT # 1093015 SN OFF 0775 TT # 1752348 SN OFF 0048 IPC REFERENCE # 34-42-02-050-941A TRANSCEIVER, WX OFF 78-3442-9-0004 0078 ON 78-3442-9-0004 0770 PEDESTAL, RADAR OFF 78-3443-9-9003 0048 ON 78-3443-9-9003 8004

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