SDR UHLA2014062500461

Service difficulty report · Sensor · Emb ERJ170100SE

Difficulty date: June 25, 2014
Submitted: June 27, 2014
Operation: Air carrier
Aircraft: N648RW
Make and model: Emb ERJ170100SE
Aircraft serial: 17000068
Aircraft time: 27,083 hours, 16,573 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Sensor
Condition: Out Of Adjust
Location: Nlg Wow
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

STEERING FAILED AND WOW FAILED DURING APPROACH. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. CONDUCTED STEERING ADJUSTMENT TEST IAW AMM 32-50-00. ALL PARAMETERS WITH NORMAL RANGE, NO DEFECTS FOUND. TROUBLESHOT SYSTEM. INTERROGATED CMC COMPUTER AND FOUND FAULT CODES 32611306 PSS AND 32612306 PSS NLG WOW 1 AND 2 SENSOR/TARGET DISAGREE. IAW FIMS 32-61-00-810-840-A AND 32-61-00-810-890-A, CONDUCTED TEST/ADJUSTMENT OF NLG SENSORS. TEST GOOD IAW AMM 32-62-01-820-801.

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