Service difficulty report · Electronic Unit · Boeing 737824

Difficulty date
August 25, 2012
Submitted
August 29, 2012
Operation
Air carrier
Aircraft
N38268
Make and model
Boeing 737824
Aircraft serial
31587
Aircraft time
37,505 hours, 11,916 cycles
Engine
Cfmint CFM567B26US
Part
Electronic Unit
Condition
Failed
Location
Cockpit Displays
Part time
34,840 hours, 11,454 cycles
Stage of operation
CR
How discovered
O
Nature of condition
G, J
Precautionary procedure
A

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

What was found

AT 39000 FT DISPLAY SOURCE LIGHT CAME ON. LOST HYD SYS A INDICATION, CAPTAIN`S SPEED LIM IND-LOSS OF SPEED BANDS-WX RANGE DISAGREE.1.5 MIN, FOLLOWED BY DISPLAY SOURCE CHECKLIST. LOST F/D AT 1000FT ON APPROACH. CDS FAULT ON GROUND. NO CB OUT. R & R /31 DEU REF TASK 31-62-21-400-801. RAN TEST AND SELF TEST. ALL TEST NORMAL. ACFT OK FOR SERVICE. ROTABLE PARTS CHANGE WAS INDICATED - TT 1538673, SN OFF 01881 UNIT, ELECTRONIC OFF 29-3162-9-0002 1881, ON 29-3162-9-0002 0375.