Service difficulty report · Bleed Valve · Bombdr BD1001A10

Difficulty date
December 27, 2019
Submitted
December 30, 2019
Operation
Air carrier
Aircraft
N312EA
Make and model
Bombdr BD1001A10
Aircraft serial
20602
Aircraft time
1,684 hours, 916 cycles
Engine
Hnywl AS90721A
Engine time
1,684 hours, 921 cycles
Part
Bleed Valve
Part number
54017964
Part serial
2932
Condition
Inoperative
Location
Rt Engine
Part time
1,684 hours, 921 cycles
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

ON DEPARTURE AT APPROX. 600 FEET AGL EXPERIENCED MULTIPLE COMPRESSOR STALLS. REDUCED THROTTLE FROM CLIMB POWER TO APPROX. 80% WHEN THE COMPRESSOR STALLS OCCURRED. CONFIRMED IT WAS RH ENGINE AFTER SEEING N1 ROLLING BACK. BROUGHT POWER TO IDLE AND RETURNED FOR LANDING. MX C/A: GAINED ACCESS AND R&R MAIN SURGE BLEED VALVES (SBV) (2EA) WITH INSPECTED UNITS (REMOVED P/N 540-1796-4; S/N'S 2932 & 2959. CLOSED ACCESS AND COMPLETED OPERATIONAL CHECKS IAW AS907-2-1A LMM 72-05-22 CH. 75-30-03 REV7 DATED 3/27/19. MX CHECK FLIGHT TO BE PERFORMED PRIOR TO RTS.