# SDR GLBA20111130J

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2011
- Submitted: November 30, 2011
- Operation: Air carrier
- Aircraft: N299UX
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120299
- Aircraft time: 30,318 hours, 31,338 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: 12032943001
- Part serial: 726
- 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/GLBA20111130J

## Discrepancy

PILOT REPORTED THAT AFTER TAKEOFF THE RT GEAR RED A & B DISAGREEMENT LIGHTS STAYED ILLUMINATED FOR 15-20 SECONDS AND THEN WENT OUT. MX REPLACED THE NR 3 SEQUENCE VALVE, PN: 120-32943-001, SN: 726, IAW EMM 32-32-04, OPS CK GOOD IAW 32-30-00.

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