# SDR DALA2026080404486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2026
- Submitted: August 4, 2026
- Operation: Air carrier
- Aircraft: [N129DU](https://openairdocs.org/aircraft/N129DU), 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: 50048
- Aircraft time: 16,405 hours, 7,656 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Condition: Leaking
- Location: Zone 400
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026080404486

## Discrepancy

SHORT LIVED OIL FUME ODOR OBSERVED DURING FINAL DESCENT. ODOR DISSIPATED QUICKLY ONLY PRESENT IN-FLT DECK. INSPECTED NR 1 ENG FOR LEAKS IAW AMP 72-00 FOUND AIR/OIL COOLER LEAK OIL W/BUILD UP OIL RESIDUE ON EXIT SIDE. ALSO FOUND QUICK DISCONNECT FOR HYD LINE LEAKING FROM PYLON CONNECTION DOWN TO BLEED DUCT & VSV'S. WIP 430505. REMOVED STARTER IAW AMP 80-11-01. REMOVED A/O HX IAW AMP 779-21-11 WIP 433097. REMOVED HYD LINE ON NR 1 ENG IAW AMP 29-11. & UPPER ESC DUCT CLEANED. VSV CLEAN & SURROUND AREA. WIP 660318. REINSTALLED AIR/OIL COOLER AD HYD LINE. LEAK CHKS COMPLETED.  PACK BURN OUT COMPLETED. SNIFFER TEST PERFORMED, HIGH READING 4600. ALL STEPS OF AMDS 0550-2003 & 0550-9001 COMPLETED. CABIN FILTER REPLACED . ENGINE/APU RUNS COMPLETED. OK FOR SERVICE. (LP# 8852376; AIRCRAFT WAS GROUNDED)

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