# SDR CALA2015022000111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2015
- Submitted: February 20, 2015
- Operation: Air carrier
- Aircraft: [N33103](https://openairdocs.org/aircraft/N33103), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27293
- Aircraft time: 84,525 hours, 18,283 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: 26702889
- Part serial: 0237
- Condition: Unserviceable
- Location: Nlg
- 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/CALA2015022000111

## Discrepancy

AFTER TAKEOFF HAD GEAR DOOR LIGHT & EICAS GEAR DOORS.  GEAR DOOR FAILED TO CLOSE,  AIR RETURNED , OVERWEIGHT LANDING APPROX  225,000 LBS, ACTUAL 222,160 LBS IAW NR 4919148, 4919151, 4919152 & 4919155.  R & R OF NLG SEQ VLV, R & R OF NLG RELEASE INTERLOCK ACT, R & R OF NLG INT SEQ ACT CONNECTOR & OVERWEIGHT LANDING INSP.  ALL OPERATIONS & LEAK CHECKED GOOD.

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