# SDR F3LA200200106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2002
- Submitted: March 7, 2002
- Operation: Air carrier
- Aircraft: N270FL
- Make and model: Boeing 737-2L9
- Registry model: [Boeing 737-2L9](https://openairdocs.org/model/boeing-737-2l9) (OpenAirDocs)
- Aircraft serial: 22733
- Aircraft time: 50,463 hours, 32,898 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Cartridge
- Condition: Defective
- Location: Aileron
- Stage of operation: UK
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA200200106

## Discrepancy

UPON ARRIVAL, FLIGHT CREW REPORTED AILERONS BECAME EXTREMELY TIGHT AND FELT AS IF IN MANUAL REVERSION.  HYDRAULIC SYSTEM PRESSURES WERE BOTH NORMAL.  RUDDER AND ELEVATOR FELT NORMAL.  ACCOMPLISHED NORMAL LANDING.  REPLACED AILERON SPRING CARTRIDGE PER MM 27-11-0.  CYCLED AILERONS SEVERAL TIMES AND FOUND NORMAL FORCES WERE REQUIRED TO OPERATE AILERONS.

---
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.