# SDR 2000UALA00100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: N7299U
- Make and model: Boeing 727222
- Aircraft serial: 21894
- Aircraft time: 60,165 hours, 34,585 cycles
- Engine: Pwa JT8D15
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Nut
- Part number: AN3104
- Condition: Missing
- Location: Sequence Valve
- Stage of operation: LD
- 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/2000UALA00100

## Discrepancy

RIGHT MAIN LANDING GEAR FAILED TO EXTEND FOR LANDING AT DEN.  USED MANUAL EXTENSION AND LANDED WITHOUT INCIDENT.  *S/D*  FOUND BOLT BACKED OUT OF LINK (NUT MISSING) AT RT MAIN LANDING GEAR DOOR OPERATED SEQUENCE VALVE.  REINSTALLED BOLT AND NUT.  OPS CHECKED GEAR, SYSTEM OPS NORMAL.

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