# SDR CALA2013040300191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2013
- Submitted: April 3, 2013
- Operation: Air carrier
- Aircraft: [N17122](https://openairdocs.org/aircraft/N17122), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27564
- Aircraft time: 59,627 hours, 15,724 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Warning Light
- Condition: Illuminated
- 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/CALA2013040300191

## Discrepancy

MLG DISAGREE WITH EICAS MESSAGE, AFTER TAKEOFF.  PERFORMED THE GEAR DISAGREE CHECKLIST AND RETURNED FOR LANDING.  TROUBLESHOT IAW FIM 32-30-00-815-819.  REPLACED SELECTOR VALVE AS PRECAUTION  IAW MM 32-31-02-0 04-001.  OPERATED LANDING GEARS ON JACKS.  ALL SYS NORMAL AT TIME.  LEAK CHECK AND OPS CHECK NORMAL.

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