# SDR HNAA2018092600231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2018
- Submitted: September 26, 2018
- Operation: Air carrier
- Aircraft: [N638AE](https://openairdocs.org/aircraft/N638AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145172
- Aircraft time: 44,106 hours, 40,241 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Fumes
- Location: Cabin
- Stage of operation: TX
- How discovered: V
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2018092600231

## Discrepancy

PDIS  638     21-01  1682341  21SEP18  PHL  CLOSE
      WHILE STARTING EITHER #1 OR #2 ENG OFF APU, FUMES ARE PRESENT THROUGHOUT A/C. APU TEMP SPIKES TO MID 600
      DEGREES
                                          21585    00 EK
      HISTORY: .
FACT  21SEP18  18:07  PHL
            WHILE STARTING ENGS OFF OF APU IAW PIEDMONT MAINTENANCE OPERATING MANUAL, NO FUMES IN A/C ARE OBSERVED.
            OK FOR SERVICE

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