# SDR DXTA2023051686230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2023
- Submitted: May 16, 2023
- Operation: Air carrier
- Aircraft: [N402QS](https://openairdocs.org/aircraft/N402QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500389
- Aircraft time: 5,302 hours, 4,136 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: UK
- 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/DXTA2023051686230

## Discrepancy

STRONG MUSTY ODOR LIKE WET SOCK WHEN AIR-CONDITIONING TURNED ON.  REMOVED AND REPLACED THE FWD EVAPORATOR UNIT AND THE RECEIVER DRYER ASSY WITH NJA SUPPLIED NEW PARTS. SUCCESSFUL OPERATIONAL CHECKS/ FUNCTIONAL CHECKS WERE PERFORMED. REF. EMBR-505 AMM 21-52-03, 21-52-00 AND 12-17-00 RECEIVER DRYER ASSY P/N OFF/ON: 1134275-12 S/N OFF/ON: N/A FWD EVAPORATOR UNIT P/N: 1133850-103 S/N OFF: UNK S/N ON: 1326

---
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.