# SDR GTIA2026030539290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2026
- Submitted: March 5, 2026
- Operation: Air carrier
- Aircraft: [N602NK](https://openairdocs.org/aircraft/N602NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 4264
- Aircraft time: 55,604 hours, 25,771 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- 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/GTIA2026030539290

## Discrepancy

MODERATE ODOR FROM AIR CONDITIONING LIKE EXHAUST DURING CLIMB DISIPATED  AT LEVEL OFF. ISOLATED PACK 1. NO FURTHER ODOR UNTIL DECENT ON BASE LEG THEN STRONG DIRTY SOCK SMELL IN CABIN WITH PACK 2 ONLY.    SOURCE, CABIN AIR SUPPLY VENTS. FWD, MID, AND AFT CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-FOLLOW TSM 05-50-00-810-831-A, ID AS TYPE 1 FOUND APU COMP. SOILED WITH OIL & DEICE FLUID CLEANED AS REQ  & PERF DECON OF BLEED DUCTS & EFC IAW AMM 36-10-00 & AMM 21-00-00. ALSO PERF ENG IDLE RUN AS PER AMM 71-00-00, NO ODOR OR FUMES PRESENT REF LP 6086280-2 FOR APU GEN DRAIN PLUG & LP 608628-1 FOR R&R RECIR FILTERS.

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