# SDR DALA2023071605739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2023
- Submitted: July 16, 2023
- Operation: Air carrier
- Aircraft: [N839MH](https://openairdocs.org/aircraft/N839MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29712
- Aircraft time: 88,100 hours, 15,811 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023071605739

## Discrepancy

SHIP 1815 - GEAR - ALTERNATE GEAR EXTEND SYSTEM USED TO LOWER LANDING GEAR AFTER MAIN GEAR DID NOT DISPLAY DOWN AND NOSE GEAR INDICATIONS NORMAL DURING INITIAL AND SECOND ATTEMPT. ALL GEAR DOWN AND LOCKED. CORRECTIVE ACTION: REPLACED MLG SELECTOR/BYPASS VALVE V652. (LP 4914038)

---
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.
