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SDR RU3A0901

Open the Markdown

Service difficulty report · Clamp · Cndair CL6002B16

FAA SDR system

Difficulty date
January 16, 2009
Submitted
January 20, 2009
Operation
Air carrier
Aircraft
N85
Make and model
Cndair CL6002B16
Aircraft serial
5138
Aircraft time
5,382 hours, 2,430 cycles
Engine
Ge CF343A1
System (JASC)
7532 · Compressor Bleed Valve
Part
Clamp
Condition
Loose
Location
Bleed Air
Stage of operation
CR
How discovered
O
Nature of condition
M, J
Precautionary procedure
H, A

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

What was found

AT CRUISE FL350, THE BLEED AIR LEAK DETECT LIGHT (CENTER PANEL) INTERMITTENTLY BEGAN FLASHING. NOTICED THAT THE LEFT 10TH STAGE "DOLLS EYE" WAS TRIPPED. INITIALLY, DID NOT GET THE LEFT 10TH STAGE DUCT FAIL LIGHT. BEGAN A DESCENT TO A LOWER ALTITUDE (FL200 THEN FL110) TO RUN THE CHECKLIST. ACCOMPLISHED THE 10TH STAGE DUCT FAIL CHECKLIST. PER THE CHECKLIST THE LEFT 10TH STAGE WAS SELECTED OFF, ISOLATION V CLOSED. WHILE RETURNING TO AIRPORT, WE CONFIGURED TO BURN OFF FUEL TO GET DOWN TO LANDING WT. NOTICED THAT THE BLEED AIR LEAK DETECT LIGHT (CENTER PANEL) ILLUMINATED AND THE LEFT 10TH STAGE DUCT FAIL LIGHT WAS ILLUMINATED. PER THE CHECKLIST, THE LEFT ENGINE WAS RETARDED TO IDLE. ACCOMPLISHED A 20 FLAP SINGLE ENGINE (LEFT THROTTLE IN IDLE) APPROACH AND LANDING. DISCOVERED 10TH STAGE BLEED AIR VALVE CLAMP LOOSE, TIGHTENED CLAMP AND LEAK CHECKED OK.