# SDR AIOA288236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2001
- Submitted: August 29, 2001
- Operation: Air carrier
- Aircraft: [N819MH](https://openairdocs.org/aircraft/N819MH), registered now
- Make and model: Beech C90A
- Registry model: [Beech C90A](https://openairdocs.org/model/beech-c90a) (OpenAirDocs)
- Aircraft serial: LJ735
- Engine: Pwa PT6*
- System (JASC): [2841 · Fuel Quantity Indicator](https://openairdocs.org/jasc/2841)
- Part: Indicator
- Part number: 10038000647
- Part serial: 2570M
- Condition: Failed
- Location: Cockpit
- Stage of operation: NR
- 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/AIOA288236

## Discrepancy

PILOT NOTED LEFT FUEL QUANTITY INDICATOR WAS UNRELIABLE AND REPORTING LOWER THAN NORMAL.  GAUGE SN 1089 WAS REMOVED AND OVERHAULED, GAUGE SN 4739M WAS INSTALLED AND CALIBRATED TO THE A/C PER MM.  GAUGE LASTED ONE TRIP BEFORE RESULTING A LIKE PROBLEM.  GAUGE WAS SWAPPED LEFT TO RIGHT, IT WAS FOUND TO BE A PROBLEM WITH GAUGE.  IT WAS SWAPPED BACK AND MEL`D.  GAUGE SN 4739M WAS REMOVED AND GAUGE SN 2570M WAS INSTALLED.  GAUGE LASTED 1 TRIP AND FAILED.  THE AC WAS MEL`D FOR FLIGHT WITH THE INOPERATIVE GAUGE. SEVERAL CORRODED GROUNDS WERE FOUND TO PLAY A FACTOR.  GROUND POINTS AT PROBES WERE CLEANED, AND GAUGE RECALIBRATED TO THE AC AND WORKED.  GAUGE FAILED AFTER SECOND FLIGHT AFTER INSPECTION. MAINTENANCE LOOKED A

---
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.