Service difficulty report · Pressure Switch · Airbus A321271N

Difficulty date
October 3, 2024
Submitted
October 4, 2024
Operation
Air carrier
Aircraft
N4022J
Make and model
Airbus A321271N
Aircraft serial
10303
Aircraft time
11,993 hours, 1,763 cycles
Part
Pressure Switch
Part number
4501310000
Part serial
26639
Condition
Faulted
Location
Green Hyd Sys
Part time
1,210 hours, 175 cycles
Stage of operation
IN
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

FLT#2220, LHR-JFK. (ETOPS). 'REF MDDR 561337 (GREEN HYD SYS - LINK LINE FOR PRESS INDICATION SHOWS AMBER WHEN NOT PRESSURIZED ( AMBER LINE ) ( ECAM HYD PAGE INDICATIONS 9) (G/B/Y) HYD SYS LABEL VERTICAL LINE LINKS )) GREEN SYS SHOWS PRESS; REMOVED AND REPLACED GREEN HYD PRESS SWITCH 1151GN PER AMM 29-32-12. NO HELP MDDR REMAINS OPEN. REMOVED AND REPLACED #1 ENGINE GREEN SYSTEM PRESSURE SWITCH IAW 29-11-17. OPS CHECKS GOOD. THIS CLEARS MDDR 561337. MX-4 UPDATED PLACARD REMOVED.

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