# SDR 2022FA0000313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2021
- Submitted: June 27, 2022
- Operation: General aviation
- Aircraft: [N784XJ](https://openairdocs.org/aircraft/N784XJ), registered now
- Make and model: Cessna 120
- Registry model: [Cessna 120](https://openairdocs.org/model/cessna-120) (OpenAirDocs)
- Aircraft serial: 7500084
- Aircraft time: 18,509 hours, 10,353 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: None
- Part number: 99146153MP50G4
- Part serial: 150B
- Condition: Failed
- Location: Zone 100
- Part time: 1,183 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: L, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2022FA0000313

## Discrepancy

* SUPPLEMENTAL INFORMATION TO THE INITIAL REPORT SUBMITTED ON CONTROL NUMBER AWKA202201050001 FILES ON DECEMBER 28, 2021 * TECHNICIANS INSPECTED THE FLAP SYSTEM AND FOUND THE INBOARD, LEFT FLAP PANEL TIGHT AND THE FLAP POWER DRIVE UNIT FAULTY. THE OUTBOARD FLAP ACTUATOR OF THE L/H FLAP PANEL WAS ADJUSTED AND THE FLAP PDU WAS REPLACED WITH AN OVERHAULED UNIT. OPERATIONAL CHECKS WERE COMPLETED SATISFACTORILY AND THE AIRCRAFT RETURNED TO SERVICE.

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