# SDR DALA2021011400228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2021
- Submitted: January 14, 2021
- Operation: Air carrier
- Aircraft: [N831MH](https://openairdocs.org/aircraft/N831MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29702
- Aircraft time: 78,867 hours, 15,508 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Bypass Valve
- Condition: Malfunctioned
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021011400228

## Discrepancy

ATB DUE TO GEAR DISAGREE INDICATION ON CLIMB OUT.  CORRECTIVE ACTION: REPLACED MAIN LANDING GEAR SELECTOR BYPASS VALVE.  JACKED AIRCRAFT AND PERFORMED GEAR SWING.  SYSTEM OPERATION IS NORMAL.

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