# SDR UPS99228621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N917UP](https://openairdocs.org/aircraft/N917UP), registered now
- Make and model: Boeing 727-30C
- Registry model: [Boeing 727-30C](https://openairdocs.org/model/boeing-727-30c) (OpenAirDocs)
- Aircraft serial: 19310
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Cap Assy
- Part number: 36045242
- Condition: Cracked
- Location: Apu
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99228621

## Discrepancy

INSPECTION TYPE:C APU COMBUSTION UNIT HAS CRACK ON CAP ASSY.  COMBUSTION UNIT LINER ASSY REPLACED IAW MM CHP 49-30-22.

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