# SDR AALA202205188003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2022
- Submitted: May 18, 2022
- Operation: Air carrier
- Aircraft: [N738US](https://openairdocs.org/aircraft/N738US), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1254
- Aircraft time: 56,477 hours, 33,996 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Apu
- Part number: 38007081
- Part serial: P4104
- Condition: Odor
- Location: Zone 100 - Fuse
- Part time: 29,200 hours, 19,103 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202205188003

## Discrepancy

AIRCRAFT WAS GROUNDED: IN FLIGHT ODOR IN CABIN AND COCKPIT. TURNED OFF LEFT PACK ODOR DISSIPATED. MAINTENANCE ISOLATED SOURCE OF ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202204188003: MAINTENANCE FOUND EVIDENCE OF OIL AT THE APU LOAD COMPRESSOR DRAIN, AROUND THE INLET AND PLENUM SEAL. CLEANED RESIDUAL OIL AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK OF THE APU WITH NO ODORS BEING NOTED.  ALSO ACCOMPLISHED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM PER TASK CARD 26L00021004 WITH NO ODORS BEING NOTED. **(CLOSED)

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