SDR R61A2022021100120

Service difficulty report · Sensor · Emb ERJ170200LR

Difficulty date: February 7, 2022
Submitted: February 11, 2022
Operation: Air carrier
Aircraft: N418YX
Make and model: Emb ERJ170200LR
Aircraft serial: 17000383
Aircraft time: 20,418 hours, 13,763 cycles
System (JASC): 3200 · Landing Gear System
Part: Sensor
Condition: Inoperative
Location: Zone 700
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE, PILOTS FELT A HARD JOLT FROM UNDER SEAT THAT FLIGHT ATTENDANTS COULD FEEL AS WELL. GOT WORSE AS WE DESCENDED. DID NOT NOTICE ONCE WE DROPPED THE NOSE GEAR, THUMP OCCURRED EVERY 15-20 SECONDS. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R #2 NLG UPLOCK SENSOR.

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