# SDR AALA202109131610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2021
- Submitted: September 13, 2021
- Operation: Air carrier
- Aircraft: [N9002U](https://openairdocs.org/aircraft/N9002U), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 5698
- Aircraft time: 21,670 hours, 10,293 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Component: Apu, Hnywl
- Component part number: CTY2721501
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202109131610

## Discrepancy

AIRCRAFT WAS GROUNDED: STRONG ODOR FROM BLEED / AIR CONDITIONING SYSTEM DURING DECENT- BEGAN AT 7000 FEET AND 210 KTS INDICATED AIRSPEED . FLT ATTENDANTS ADVISED THAT ODOR PERMEATED CABIN AS WELL. APU STARTED AND APU BLEED SELECTED ON. ODOR QUICKLY DISSIPATED. UTILIZING  BLEED FROM APU:   REPLACED APU AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER TASK CARD 26L31049003.

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