Service difficulty report · Bleed Valve · Airbus A321231

Difficulty date
January 29, 2021
Submitted
February 1, 2021
Operation
Air carrier
Aircraft
N521UW
Make and model
Airbus A321231
Aircraft serial
3944
Aircraft time
39,066 hours, 14,168 cycles
Engine
Iae V2533A5
Engine time
39,395 hours, 13,697 cycles
Part
Bleed Valve
Part number
EB101729B
Part serial
MEB243
Condition
Defective
Location
Zone 400 - Nac/P
Part time
22,669 hours, 8,654 cycles
Stage of operation
CR
How discovered
V
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

AIRCRAFT WAS GROUNDED WHILE AT CRUISE WAKE WAS ENCOUNTERED FROM A HEAVY JET AND MEDIUM TURBULENCE WAS ENCOUNTERED, RECEIVED AN ECAM OF RIGHT ENGINE STALLED CONDITION. ENGINE CONDITION REMAINED STABLE AND THE ECAM STAYED ON FOR FIVE SECONDS. ENGINE IGNITION STAYED ON FOR 30 SECONDS ALL ENGINE PARAMETERS STAYED NORMAL REMAINDER OF THE FLIGHT. REPLACED 7TH STAGE COMPRESSOR BLEED VALVE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 75-32-52.

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