# SDR YENA2023090501032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2023
- Submitted: September 5, 2023
- Operation: Air carrier
- Aircraft: [N709JB](https://openairdocs.org/aircraft/N709JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 03488
- Aircraft time: 57,327 hours, 19,960 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023090501032

## Discrepancy

FLT#1510, PUJ-FLL. 'APU OFF- STRONG ACRID / BURNING OIL/DIRTY SOCK TOXIC FUMES THROUGHOUT AIRCRAFT WITH STRONGEST SMELL IN COCPIT. DESCENT PHASE BELOW 10,000' FROM PACKS, AND PRESENT UNTIL LANDING. USING COCKPIT/CABIN ODOR RECOGNITION AND ISOLATION CHECKLIST- UNABLE TO ISOLATE SOURCE TO PACK 1 OR PACK 2; FOUND APU OIL COOLING FAN TO BE THE SOURCE OF ODOR CONTAMINATION, REF LOG PAGE 3688568-1 FOR APU DEFERRAL. "COMPLIED WITH INFO NOTICE 2017-T015J, SECTION B2. DECONTAMINATION LEVEL B WAS ACCOMPLISHED PER TSM 05-50-00-810-831-A. A/C IS OK FOR SERVICE. REMOVED AND REPLACED RECIRC FILTERS IAW AMM: 21-21-41 AS PRECAUTION.'

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.