# SDR DALA2026032301954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2026
- Submitted: March 23, 2026
- Operation: Air carrier
- Aircraft: [N122DU](https://openairdocs.org/aircraft/N122DU), 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: 50041
- Aircraft time: 16,164 hours, 7,532 cycles
- Engine: Pwa PW1524G3
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: B-Nut
- Condition: Loose
- Location: Engine Oil
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026032301954

## Discrepancy

DIV- IFSD OF NUMBER 1 ENGINE DUE TO OIL LOSS. CREW REPORTED QUANTITY DROPPED TO 9 QUARTS. FLIGHT MADE AN EMERGENCY LANDING IN DSM. TROUBLESHOT AND FOUND #4 BEARING SCAVENGE TUBE B-NUT LOOSE. CLEANED INSPECTED AND REINSTALLED LINE. PERFORMED WINDMILLING INSPECTION. PERFORMED HIGH POWER RUN ENGINE LEAK CHECKS GOOD. (LP# 7965538, 7965539 )

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