# SDR QR9R20220216001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2022
- Submitted: February 16, 2022
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Make and model: Bolkms BK117C2
- Aircraft serial: 06720079116
- Aircraft time: 4,293 hours
- System (JASC): [7330 · Engine Fuel Indicating System](https://openairdocs.org/jasc/7330)
- Part: Pressure Switch
- Part number: 9550162490
- Part serial: 3228
- Condition: Illuminated
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20220216001

## Discrepancy

DURING CRUISE FLIGHT #2 FUEL PRESSURE LIGHT ILLUMINATED INTERMITTENTLY AND REPEATEDLY FOLLOWED BY #2 VARNR NEEDLE SPIKE TO APPROXIMATELY 8 FLI WITH #1 VARNAR NEEDLE DROPPING TO 1-2 FLI. ENGINE TGT AND OIL PRESSURE REMAINED STEADY DURING SEQUENCE WITH SMALL NR FLUCTUATIONS. REPLACED #2 ENGINE PRESSURE SWITCH IAW 73-31-00-900-801-A01. MTF COMPLETED IAW RFM. AIRCRAFT FLEW NORMALLY WITH NO DEFECTS FOR 1 HOUR.

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