SDR KCSA20120529004

Service difficulty report · Display · Boeing 7474H6

Difficulty date: May 29, 2012
Submitted: May 31, 2012
Operation: Air carrier
Aircraft: N741CK
Make and model: Boeing 7474H6
Aircraft serial: 24315
Aircraft time: 62,011 hours, 10,951 cycles
System (JASC): 3160 · Central Display
Part: Display
Condition: Failed
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: G
Precautionary procedure: A

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

What was found

AFTER TAKEOFF PRIMARY EICAS (UPPER DISPLAY) FAIL WITHOUT AUTO SWITCHING TO LOWER POSITION. F/O PFD DISPLAY COLOR GUN FAIL DID NOT GO TO GRAY SCALE, DISPLAY FAILED. CAPT ND DISPLAY FAILED, ALSO FAILED TO GO TO GRAY SCALE, CAPT PFD FAILED. PER SERVICE BULLETIN #747-21A2521, REMOVED AND REPLACED ALL THREE COALESCER BAGS IAW MM CHP 21-51-05. PERFORMED IDS GROUND TEST IAW MM CHP 31-61-02. SYS OPS CHECK PASS.

More about the Boeing 747-4H6