# SDR DALA2019011400253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2019
- Submitted: January 14, 2019
- Operation: Air carrier
- Aircraft: N935DN
- 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: 53460
- Aircraft time: 46,772 hours, 29,384 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter
- Condition: Damaged
- Location: Apu
- Stage of operation: IN
- 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/DALA2019011400253

## Discrepancy

AT GATE ARRIVAL DURING DEPLANING WE NOTICED A SLIGHT ELECTRICAL SMELL IN COCKPIT AND FOUND CABIN, TURNED OFF PACK AND SMELL DISCIPATED, SHUT DOWN APU- TRIED TO RESTART APU AND NO START WITH APU FAULT. FOUND STRONG ELEC. SMELL WHEN OPENING APU COMP. WITH HEAT DAMAGE ON APU STARTER. REPLACE APU STARTER. R/R R-792. REPLACED RELAY R2-63. APU OPS CHECK NORMAL. (LP# 5227960)

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