# SDR DALA2026071004051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2026
- Submitted: July 10, 2026
- Operation: Air carrier
- Aircraft: [N142DU](https://openairdocs.org/aircraft/N142DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50060
- Aircraft time: 12,867 hours, 6,024 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Part number: 70071A010101
- Part serial: 7007101097
- Condition: Failed
- Location: Nr 1
- Part time: 12,866 hours, 6,023 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026071004051

## Discrepancy

RETURNED TO GRR DUE TO PRESSURIZATION ISSUES AND NUMEROUS FAULTS DISPLAYED IN COCKPIT AFTER DEPARTURE. PAX O2 MASKS DEPLOYED AUTOMATICALLY. CORRECTIVE ACTION: REMOVED & REPLACED NUMBER 1 IASC OPS CHECK GOOD. (LP# 8706293; AIRCRAFT WAS GROUNDED)

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