SDR RJEF20180515001

Service difficulty report · Control Valve · Airbus A320233

Difficulty date: May 9, 2018
Submitted: May 15, 2018
Operation: Air carrier
Aircraft: N687TA
Make and model: Airbus A320233
Aircraft serial: 1334
Aircraft time: 54,832 hours, 23,325 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Control Valve
Part number: 1303A000004
Part serial: 00615
Condition: Inoperative
Location: A/C Pack
Part time: 47,770 hours, 12,656 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

DURING CLIMB, THE AIRCRAFT HAD A FAILURE OF THE AIR CONDITIONING SYSTEM AND RETURNED TO DEPARTURE. UNEVENTFUL LANDING, AC SUPPLY TEMPERATURES OF 36°C AND 62°C, MAINTENANCE PERFORMED A FAULT ANALYSIS IAW TSM 21-61-00-810-803-A, REPLACED THE PACK FLOW CONTROL VALVE NR 2 IAW AMM 21-51-51 PB401.

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