# SDR QR9R20200325001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2020
- Submitted: March 25, 2020
- Operation: General aviation
- Aircraft: [N9721](https://openairdocs.org/aircraft/N9721), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9721
- Aircraft time: 1,909 hours
- System (JASC): [7130 · Engine Fireseals](https://openairdocs.org/jasc/7130)
- Part: Fireseal
- Part number: B713M2021101
- Condition: Cracked
- Location: Zone 400
- Part time: 1,909 hours
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20200325001

## Discrepancy

#2 ENGINE INBOARD FIREWALL CRACKED

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