SDR AALA2019062099027

Service difficulty report · Acm · Airbus A321231

Difficulty date: June 18, 2019
Submitted: June 20, 2019
Operation: Air carrier
Aircraft: N925UY
Make and model: Airbus A321231
Aircraft serial: 6613
Aircraft time: 14,624 hours, 5,592 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Acm
Part number: 1263A000003
Part serial: 1594
Condition: Failed
Location: Nr 1
Part time: 14,624 hours, 5,592 cycles
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AIRCRAFT WAS GROUNDED: PILOT RETURNED TO PHX ON ACCOUNT OF PRESSURIZATION ISSUES. ACFT WOULD NOT PRESSURIZE, AFTER TO, RECYCLED #1 PACK #1 BLEED, NO HELP. MAINTENANCE FOUND #1 PACK AIR CYCLE MACHINE NOT WORKING PROPERLY. REMOVED AND REPLACED #1 PACK ACM IAW AMM 21-52-21 PB 401. OPS CHECK GOOD.

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