Service difficulty report · Warning Light · Boeing 73773A

Difficulty date
November 11, 2006
Submitted
November 15, 2006
Operation
Air carrier
Aircraft
N738AL
Make and model
Boeing 73773A
Aircraft serial
28499
Aircraft time
24,090 hours, 6,414 cycles
Engine
Ge CFM567B24
Part
Warning Light
Condition
False Activation
Location
Crossbleed
Stage of operation
CL
How discovered
V
Nature of condition
N
Precautionary procedure
A

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

What was found

NON-ETOPS FLT 467 SNA-SMF. ON CLIMB FROM SNA CREW NOTED THE CROSSBLEED WARNING INDICATION ABOVE THE NR 1 ENGINE N1 ON THE DISPLAY UNIT. THIS ITEM WAS ON A FLIGHT VERIFICATION SO THE CREW DECIDED TO RETURN TO SNA. THERE WAS ALSO A PSEU FAULT INDICATION. THE AIRCRAFT LANDED IN SNA WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND AND RESET FAULT 29-29001. MAINTENANCE COMPLETED A SUCCESSFUL OPERATIONAL CHECK IAW FIM TASK 29-20-00-810-809. THE AIRCRAFT WAS RETURNED TO SERVICE. AIRCRAFT WAS PLACED ON FLIGHT VERIFICATION AND THE CREW FOUND NORMAL SYSTEM OPERATION IN FLIGHT.

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