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A CRJ700 in climb at FL180 diverted due to experiencing moderate turbulence, unusual yaw motion followed by an EICAS rudder limit fault status message.
| Attributes | |
| ACN | 575345 |
| Time | |
| Date | 200303 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Weather Elements | Turbulence |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 700 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 575345 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : less severe inflight encounter : turbulence other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : eicas other flight crewa other flight crewb |
| Resolutory Action | flight crew : exited adverse environment flight crew : diverted to another airport flight crew : landed as precaution |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Flight Crew Human Performance Weather |
| Primary Problem | Aircraft |
Narrative:
In route on flight in the climb, experienced moderate turbulence with an unusual yaw motion, followed by an EICAS rud limit fault. Referred to index section of aom. Ran rud limiter checklist. Contacted dispatch and manufacturer and relayed concern of having to land with status message. Coordinated with maintenance operations and landed. WX was VFR and flight landed without incident followed company policies and procedures. Callback conversation with reporter revealed the following information: the reporter stated the EICAS rudder limit fault was a status message, and the checklist was accomplished per the aircraft operating manual. The reporter said maintenance made a self-test of the system and cleared the log item as bite test -- ok, and returned the airplane to service.
Original NASA ASRS Text
Title: A CRJ700 IN CLB AT FL180 DIVERTED DUE TO EXPERIENCING MODERATE TURB, UNUSUAL YAW MOTION FOLLOWED BY AN EICAS RUDDER LIMIT FAULT STATUS MESSAGE.
Narrative: IN RTE ON FLT IN THE CLB, EXPERIENCED MODERATE TURB WITH AN UNUSUAL YAW MOTION, FOLLOWED BY AN EICAS RUD LIMIT FAULT. REFERRED TO INDEX SECTION OF AOM. RAN RUD LIMITER CHKLIST. CONTACTED DISPATCH AND MANUFACTURER AND RELAYED CONCERN OF HAVING TO LAND WITH STATUS MESSAGE. COORDINATED WITH MAINT OPS AND LANDED. WX WAS VFR AND FLT LANDED WITHOUT INCIDENT FOLLOWED COMPANY POLICIES AND PROCS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE EICAS RUDDER LIMIT FAULT WAS A STATUS MESSAGE, AND THE CHKLIST WAS ACCOMPLISHED PER THE ACFT OPERATING MANUAL. THE RPTR SAID MAINT MADE A SELF-TEST OF THE SYS AND CLRED THE LOG ITEM AS BITE TEST -- OK, AND RETURNED THE AIRPLANE TO SVC.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.