# SDR HNAA2021050600196

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2021
- Submitted: May 10, 2021
- Operation: Air carrier
- Aircraft: [N631AE](https://openairdocs.org/aircraft/N631AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145139
- Aircraft time: 48,828 hours, 45,220 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2021050600196

## Discrepancy

ABNORMAL SMELL AFTER TAKEOFF WITH PACK AND BLEED ON.  R&R'D RECIRC FAN REF 21-24-011,OPS CHECK GOOD. R&R'D 3100 MUFFLER DUCT REF AMM21-24-02.CHANGED ALL 3 HEPA FILTERS REF PIEDMONT W/C 21-28-00 RAN AIRCRAFT OFF OF ENG #1 BLEED & #2 BLEED ON PACK #1 NO DEFECTS OR ODORS NOTED,GOOD FIX, OK FOR SERVICE.  (BURNING BAGEL SMELL)     AIRCRAFT IS CURRENTLY IN WORK AT MDT WILL UPDATE WHEN CLEARED

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