E135 flight crew received chronic engine #2 reverser disagreement EICAS message on takeoff roll.

Attributes
ACN	680117
Time
Date	200512
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : jfk.airport
State Reference	NY
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	EMB ERJ 135 ER&LR
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
ASRS Report	680117
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance
Independent Detector	aircraft equipment other aircraft equipment : eicas other flight crewa
Resolutory Action	flight crew : rejected takeoff
Factors
Maintenance	performance deficiency : repair
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

During takeoff roll; at approximately 100 KTS; crew received EICAS warning for 'E2 reverser disagreement.' the PNF (myself) called for an abort and the PF (captain) reduced power; and applied the brakes. PNF communicated with tower and aircraft exited runway as instructed and returned to gate. During taxi back; first officer (myself) made PA explaining to passenger the event. No injuries or damage resulted. After careful review of maintenance log history; this is third event of problem with this particular aircraft.

Original NASA ASRS Text

Title: E135 FLT CREW RECEIVED CHRONIC ENG #2 REVERSER DISAGREEMENT EICAS MESSAGE ON TKOF ROLL.

Narrative: DURING TKOF ROLL; AT APPROX 100 KTS; CREW RECEIVED EICAS WARNING FOR 'E2 REVERSER DISAGREEMENT.' THE PNF (MYSELF) CALLED FOR AN ABORT AND THE PF (CAPT) REDUCED PWR; AND APPLIED THE BRAKES. PNF COMMUNICATED WITH TWR AND ACFT EXITED RWY AS INSTRUCTED AND RETURNED TO GATE. DURING TAXI BACK; FO (MYSELF) MADE PA EXPLAINING TO PAX THE EVENT. NO INJURIES OR DAMAGE RESULTED. AFTER CAREFUL REVIEW OF MAINT LOG HISTORY; THIS IS THIRD EVENT OF PROB WITH THIS PARTICULAR ACFT.

Data retrieved from NASA's ASRS site as of January 2009 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.