Service difficulty report · Control Valve · Airbus A321253N

Difficulty date
March 17, 2020
Submitted
March 20, 2020
Operation
Air carrier
Aircraft
N926VA
Make and model
Airbus A321253N
Aircraft serial
08120
Aircraft time
6,035 hours, 591 cycles
Engine
Cfmint LEAP1A33
Part
Control Valve
Part number
1806D000001
Part serial
180613874
Condition
Failed
Location
Ac Bay
Part time
6,035 hours, 1,591 cycles
Stage of operation
IN
How discovered
C
Nature of condition
J
Precautionary procedure
K

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

What was found

DURING #2 ENG. START BLEED PRESS DROPPED TO 18 PSI AND R/H PACK FAULT ILLUMINATES ON R/H PACK PACK FLOW CONTROL VALVE STICKING OPEN. GROUNDED - YES. MANUALLY OPERATE R/H PACK WITH APU BLEED. WITH PACK 2 SELECTED OFF R/H PACK FLOW CONT VALVE DOES NOT CLOSE AND 2 AIR PACK REG FAULT ILLUM. ON ECAM. R&R #2 PACK FLOW CONTROL VALVE (24HB) REF. AMM 21-51-51. OPS CHECK GOOD. THIS CLEARS MDDR 77162 & MEL 21-52-01-02. MX PROCEDURE REVERSED. PLACARD REMOVED. MEL LIST UPDATED. SEAMC NOTIFIED

More about the Airbus A321-253N