# SDR S2YA97007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N148SK](https://openairdocs.org/aircraft/N148SK), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE148
- System (JASC): [2844 · Fuel Pressure Indicator](https://openairdocs.org/jasc/2844)
- Part: Pressure Switch
- Part number: 10138901821
- Condition: Inoperative
- Location: Fuel System
- Part time: 3,933 hours
- 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/S2YA97007

## Discrepancy

DURING THE MONTH OF JANUARY, SIX FUEL PRESSURE SWITCHES, P/N 100-389018-21 WERE REPLACED.  THE TBR FOR THE SWITCHES WAS:  3,933.2 HRS FROM N NR 148SK; 1,418.2 HRS FROM N NR 831SK; 1,479.7 HRS FROM N NR 87SK; 2,525.6 HRS FROM N NR 881SK; 1,715.7 HRS FROM N NR 881SK; AND 1,780.4 HRS FROM N NR 91SK.  THE AVERAGE TIME IN SERVICE OFR THESE SWITCHES WAS 2,142.1 HOURS.  ALL OF THE FUEL PRESSURE SWITCHES WERE REMOVED DUE TO FLIGHT CREWS REPORTING AUXILIARY FUEL TRANSFER MALFUNCTIONS.  REF:  OPERATOR CONTROL NRS 97ZZZX1797 THROUGH 97ZZZX1801.  (X)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.