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SDR UALA2011081104227

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Service difficulty report · Control Panel · Boeing 777222

FAA SDR system

Difficulty date
August 10, 2011
Submitted
August 19, 2011
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
66,102 hours, 12,094 cycles
Engine
Pwa PW4077
System (JASC)
3442 · Weather Radar System
Part
Control Panel
Part number
20412200412
Part serial
14
Condition
Faulty
Location
Weather Radar
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

WXR SYS WXR DISPLAY IS NOT PRESENT WHEN WXR SELECTED ON EFIS CONTROL PANEL. STATUS MSG01 - NOT ACTIVE CRUISE INTERMITTENT; WXR CONTROL PANEL HAS NO OUTPUT OR IS FAILED. DB- WXR TRANSCEIVER (LEFT) MSG02- NOT ACTIVE CRUISE INTERMITTENT; WXR TRANSCEIVER (LEFT) HAS AN INTERNAL FAULT. DB- WXR TRANSCEIVER (LEFT) MSG03-ACTIVE CRUISE INTERMITTENT; WXR CONTROL PANEL HAS NO OUTPUT OR IS FAILED. DB- WXR TRANSCEIVER (RIGHT) MSG04- ACTIVE CRUISE INTERMITTENT; WXR TRANSCEIVER (RIGHT) HAS AN INTERNAL FAULT. DB- WXR TRANSCEIVER (RIGHT) MSG05- NOT ACTIVE CRUISE INTERMITTENT; WXR TRANSCEIVER (RIGHT) HAS AN INTERNAL FAULT. MSG-3444041 INACTV ER INTER MSG-3444001 INACTV ER INTER MSG-3444043 ACTIVE ER INTER MSG-3444002 ACTIVE ER INTER MSG-3444002 INACTV ER INTER REPLACED WXR CTRL PANEL PER AMM. OP CHECKS NORMAL NOW.