# SDR UHLA2014062500461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2014
- Submitted: June 27, 2014
- Operation: Air carrier
- Aircraft: [N648RW](https://openairdocs.org/aircraft/N648RW), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000068
- Aircraft time: 27,083 hours, 16,573 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sensor
- Condition: Out Of Adjust
- Location: Nlg Wow
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UHLA2014062500461

## Discrepancy

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.