# SDR DALA2020012940680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2020
- Submitted: January 29, 2020
- Operation: Air carrier
- Aircraft: N916DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53396
- Aircraft time: 61,204 hours, 33,603 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter
- Condition: Not Reported
- Location: Apu
- Stage of operation: TX
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020012940680

## Discrepancy

AT GATE W/APU AND PACKS ON STRONG ODOR INSIDE CABIN, TAIL CONE AND OUTSIDE NEAR APU COMPARTMENT. SMELL BEST DESCRIBED AS ACRID CHEMICAL BURNING. R/R APU STARTER PER MD90 AMM 49-44. WILL REQ LEAK CHECK. ALSO REQ RELAY R2-63, R2-792 (AMT 794502). R/R LT AND RT SOCKS PER MD90 21-54 . R/R R2-63 AND R2-792 PER MD90 WDM 49-41. RAN APU AND NO SMELL FOUND. ALL OPS AND LEAK CHKS GOOD. "M" PROC REV. MEL PLAC RMVD. (6482320)

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