# SDR 96ZZZX5959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N7624G](https://openairdocs.org/aircraft/N7624G), registered now
- Make and model: Cessna 172L
- Registry model: [Cessna 172L](https://openairdocs.org/model/cessna-172l) (OpenAirDocs)
- Aircraft serial: 17259324
- Engine: Lyc O320E2D
- System (JASC): [7322 · Fuel Control/Reciprocating Engines](https://openairdocs.org/jasc/7322)
- Part: Spring
- Part number: 24A56
- Condition: Weak
- Location: Carb Idle Adj
- Part time: 4,043 hours
- Component: Facet, MA4SPA
- Stage of operation: NR
- Nature of condition: E, R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX5959

## Discrepancy

INSTALLED OVERHAULED CARBURETOR AND RIGGED.  WITHIN 10 HOURS, OWNER REPORTED ENGINE VERY ROUGH AT LOW POWER SETTINGS OR WOULD NOT EVEN IDLE.  FOUND IDLE MIXTURE ADJUST SCREW GONE.  NOTIFIED OVERHAULER WHO SENT NEW CARB.  UPON INSTALLATION OF NEW UNIT, SPRING TENSION ON AJUST SCREW FOUND TO BE WEAK OR NON-EXISTANT AT CORRECT SETTING.  OVERHAULER RECOMMENDED STRETCHING SPRING.

---
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.