Service difficulty report · Pressure Switch · Airbus A321271N

Difficulty date
October 24, 2024
Submitted
October 28, 2024
Operation
Air carrier
Aircraft
N4022J
Make and model
Airbus A321271N
Aircraft serial
10303
Aircraft time
12,228 hours, 1,797 cycles
Part
Pressure Switch
Part number
4501310000
Part serial
26603
Condition
Failed
Location
Hyd System
Part time
284 hours, 41 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

FLT#2289, AMS-JFK. (ETOPS) ' ENG #1 HYDRAULIC PUMP INDICATOR STAY GREEN WHEN ENGINE IS SHUTDOWN; REF TSM 29-11-00-810-806-A. REMOVED AND REPLACED #1 ENG PUMP PRESSURE SWITCH IAW 29-11-17. PERFORMED OPS TEST OF GREEN HYDRAULIC SYSTEM. OPS CHECK GOOD. NO LEAKS NOTED. THIS CLEARS THIS MDDR. PLACARD REMOVED. MX-4 UPDATED.

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