# SDR DALA2026032501999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2026
- Submitted: March 25, 2026
- Operation: Air carrier
- Aircraft: [N114DU](https://openairdocs.org/aircraft/N114DU), 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: 50033
- Aircraft time: 16,843 hours, 7,657 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Blown
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026032501999

## Discrepancy

APU BLEED LEAK MSG WITH ODOR. STEP 1-T/S AND FOUND APU DUCT BLOWN IAW AND WORKCARD 0550-2001. STEP 2 P-TRAK SNIFFER NOT AVAILABLE STEP 3 FOUND SOURCE TO BE APU BLEED DUCT(P.AUTAR 631639) STEP 4 N/A DUE TO SOURCE BEING BLOWN APU DUCT. REMOVED & REPLACED DUCTS PER A220 AMM 36-16-09. LEAK CK GOOD. REPLACED RECIRC FILTER PER A220 AMM 21-22. RAN BOTH ENGINES PER A220 AMM 71-00. ALL CKS OK. C/W STEP 7. (LP# 1503038)

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