# SDR FDEA202604040399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N924FD](https://openairdocs.org/aircraft/N924FD), registered now
- Make and model: Boeing 757204
- Aircraft serial: 26267
- Aircraft time: 71,517 hours, 29,962 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: 26702889
- Condition: Failed
- Location: Zone 900
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202604040399

## Discrepancy

NOSE GEAR FAILED TO EXTEND NORMALLY WHEN GEAR  HANDLE WAS MOVED INTO THE DOWN POSITION.  NOSE GEAR  EXTENDED USING THE ALTN GEAR EXTEND SWITCH.  LDG  GEAR MONITOR STATUS MESSAGE DISPLAYED.  AMM: 32-34-05-4  COMPLETED INSTALL OF NOSE GEAR DOOR OPERATED  SEQUENCE VALVE REF AMM 32-34-05-4. OPS AND LEAK  CHECK GOOD. REMOVED FROM MEL CONFIG. AMM: 32-34-05-4 REMOVED AND REPLACED NOSE GEAR DOOR OPERATED SEQUENCE VALVE UP TO AND INCLUDING STEP 3. C. (7). AMM: 32-34-05-4 COMPLETED INSTALL OF NOSE GEAR DOOR OPERATED SEQUENCE VALVE REF AMM 32-34-05-4. OPS AND LEAK CHECK GOOD. REMOVED FROM MEL CONFIG.

---
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.