# SDR FDEA202208212018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2022
- Submitted: September 10, 2022
- Operation: General aviation
- Aircraft: [N628FE](https://openairdocs.org/aircraft/N628FE), registered now
- Make and model: Doug 600N
- Registry model: [Doug 600N](https://openairdocs.org/model/mcdonnell-douglas-helicopter-600n) (OpenAirDocs)
- Aircraft serial: 48447
- Aircraft time: 112,942 hours, 23,559 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Harness
- Part number: 020016110
- Part serial: 0638
- Condition: Failed
- Location: N/A
- Part time: 11,211 hours, 3,488 cycles
- Stage of operation: UK
- How discovered: C
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202208212018

## Discrepancy

PDIS  628     28-40  2047     21AUG22  MEM  OPEN  U  AIR TURN BACK FOR MULTIPLE LEVEL 1 AND LEVEL 2 FUEL  SYSTEM ALERTS. TANK 1 QTY GAUGE WAS INTERMITTENT  AND GAVE NUMEROUS AND ERRONEOUS HIGH AND LOW  INDICATION WHICH RESULTED IN MULTIPLE ATTEMPTS BY  THE FSC TO RE-BALANCE THE FUEL BY TRANSFERRING FUEL  BOTH IN AND OUT. WITH THE QTY GAUGE GIVING  ERRONEOUS INDICATIONS IT BECAME IMPOSSIBLE TO  DETERMINE THE TRUE QTY IN TANK 1. MATH CHECKS TO  ESTIMATE FUEL ON BOARD SHOWED, AT TIMES, UP TO 3700  POUNDS OF FUEL UNACCOUNTED FOR SO A LEAK COULD NOT  BE POSITIVELY RULED OUT. EMERGENCY DECLARED, NO  ASSISTANCE REQUIRED EXCEPT VISUAL INSPECTION BY  ARFF UPON LANDING. FACT 22AUG22 19:46   MEM                                                                 ITEM WAS REOPENED IN ERROR. SEE PREVIOUS UPDATES                                  FOR WORK ACCOMPLISHED.

---
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.