# SDR DALA2018110806541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2018
- Submitted: November 8, 2018
- Operation: Air carrier
- Aircraft: N906DA
- 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: 53386
- Aircraft time: 62,075 hours, 33,875 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter
- Condition: Odor
- Location: Apu
- 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/DALA2018110806541

## Discrepancy

APU FAULT MESSAGE WITH ATTEMPTED APU START ACCOMPANIED BY REPORTED UNUSUAL ODOR BY FLIGHT ATTENDANTS IN THE BACK OF AIRCRAFT. APU INSPECTED AND BURN SMELL COMING FROM APU STARTER. R/R APU STARTER MOTOR PER MD90 AMM 49-44. INSPECTED APU STARTER CABLES/WIRE AS REQUESTED. R/R RELAY R2-792 AS PRECAUTION. REPLACED BATTERIES. (LP# 4688972, 4688973, 4688980)

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