# SDR HNAA2026070200564

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2026
- Submitted: July 2, 2026
- Operation: Air carrier
- Aircraft: [N660CL](https://openairdocs.org/aircraft/N660CL), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145764
- Aircraft time: 48,692 hours, 46,165 cycles
- System (JASC): [7820 · Engine Noise Suppressor](https://openairdocs.org/jasc/7820)
- Part: Clamp
- Condition: Loose
- Location: Muffler
- 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/HNAA2026070200564

## Discrepancy

EXHAUST FUMES STRONGLY SMELLED IN COCKPIT DUIRNG APU AND PACKS RUNNING AFTER LANDING.     FOUND MUFFLER CLAMPS LOOSE IN APU AREA ON INTAKE AND EXHAUST TUBES, SECURED CLAMPS AS REQUIRED. RAN APU AND BOTH PACKS, OPS CHECK GOOD. SUSPECT ODOR COMING FROM HEPA FILTERS, SEE SEQ #2 THIS LOGPAGE FOR FILTER DEFERRAL INFO. AIRCRAFT IS OKAY FOR SERVICE

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