# SDR C77A20171229001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2017
- Submitted: December 29, 2017
- Operation: Air carrier
- Aircraft: [N613CZ](https://openairdocs.org/aircraft/N613CZ), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000203
- Aircraft time: 27,659 hours, 16,195 cycles
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: Seal
- Condition: Leaking
- Location: Nlg Strut
- 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/C77A20171229001

## Discrepancy

DURING CLIMB OUT,  FLIGHT CREW RECEIVED A LANDING GEAR WOW SYSTEM FAIL EICAS MESSAGE.  RETURNED TO DEPARTURE.  MESSAGE CLEARED AFTER LANDING GEAR DEPLOYMENT.  THE CREW DECLARED AN EMERGENCY. PERFORMED STRUT SERVICING IAW AMM 32-21-02.  PERFORMED EXTENSION AND RETRACTION OF LANDING GEAR IAW AMM 32-33-02, NO MESSAGES PRESENT.  NOSE LANDING GEAR STRUT LEAKING.   LANDING GEAR STRUT STILL LEAKING.  REMOVED AND REPLACED THE NLG SHOCK STRUCT SEALS IAW AMM 32-21-04. OK FOR SERVICE.

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