# SDR DALA2026100805560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2026
- Submitted: October 8, 2026
- Operation: Air carrier
- Aircraft: [N369NW](https://openairdocs.org/aircraft/N369NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1011
- Aircraft time: 78,779 hours, 37,226 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Location: Zone 100
- Stage of operation: TX
- 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/DALA2026100805560

## Discrepancy

ODOR - APU PLACED ON MEL FOR SMOKE/FUME EVENT AND REQUIRES APU WASH.  PERFORMED W/C 4916-2001 AND W/C 4900-2001. CLEANED AND INSPECTED APU REF W/C 4916-2001, CONTAMINATION NOTED AT APU AIR INTAKE AND PLENUM BEFORE CLEANING. RAN APU AFTER CLEANING FOR 20 MINUTES . NO NEW CONTAMINATION NOTED AT AIR INTAKE, NO CONTAMINATION NOTED INSIDE BLEED AIR DUCT. DISCONNECTED LOAD COMPRESSOR DRAIN LINE PER W/C 4900-2001, OIL CONTAMINATION FOUND IN DRAIN LINE. PER WORK CARD APU REPLACEMENT WILL BE REQUIRED. REAPPLIED M PROCEDURES, APU TO CONTINUE ON MEL 49-10-01A. (LP: 9109081, AIRCRAFT WAS GROUNDED)

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