# SDR DALA2019052903313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2019
- Submitted: May 30, 2019
- Operation: Air carrier
- Aircraft: N991DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53343
- Aircraft time: 70,814 hours, 51,377 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Malfunctioned
- Location: Apu Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019052903313

## Discrepancy

APU FAILED DURING RIGHT ENG START. SMOKE APPEARED IN THE AFT CABIN AND SOON DISIPATED. INSTALLED APU REF CARDS 4900-2121, 4900-4573, 4900-7165, 4900-4169,. C/W NO GO ODI PREVENTION ATA 4999, ATA 2172 PER CARDS 4900-1185, 2121,2368, 7100-2619. APU OPN NORMAL. (LP5721132)

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