<< >> NASA ASRS Report 617385, May 2004

Flight crew of CL65 encounter multiple spoiler system malfunction warnings, follow appropriate checklists and land without incident.

Attributes
ACN	617385
Time
Date	200405
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : tys.airport
State Reference	TN
Altitude	msl single value : 10000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : tys.tracon
Operator	common carrier : air carrier
Make Model Name	Regional Jet CL65, Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	ils localizer & glide slope : 23r
Flight Phase	descent : holding descent : intermediate altitude descent : approach
Route In Use	approach : instrument precision arrival : holding pattern
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : atp
Experience	flight time last 90 days : 100 flight time total : 3400 flight time type : 1300
ASRS Report	617385
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : electronic system warning
Resolutory Action	controller : issued new clearance flight crew : overcame equipment problem
Consequence	other other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

Descending through 10000 ft to tys, a 'flight spoilers' caution message illuminated. Approximately 30 seconds later, a 'spoilerons' caution message illuminated. We asked tys approach for vectors to take care of the malfunctions. We performed the QRH for both caution messages. QRH for 'flight spoilers' called for landing at flaps 45 degrees, QRH for 'spoilerons' called for landing at flaps 20 degrees. I elected to land and flaps 20 degrees and not declare an emergency. After completing QRH, both messages remained. We then notified dispatch and maintenance. Dispatch gave us landing numbers for flaps 20 degrees on runway 23R. While performing QRH, we were vectored northwest of tys at 7000 ft. Before finishing talking to dispatch, tys gave us holding instructions at buzby (ILS runway 23R) at 7000 ft. After one turn in holding, I commenced the ILS runway 23R approach and made an uneventful flaps 20 degree landing. Upon rollout, first officer called 'spoilers green' and verified spoilers deploy advisory message.

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Original NASA ASRS Text

Title: FLT CREW OF CL65 ENCOUNTER MULTIPLE SPOILER SYS MALFUNCTION WARNINGS, FOLLOW APPROPRIATE CHKLISTS AND LAND WITHOUT INCIDENT.

Narrative: DSNDING THROUGH 10000 FT TO TYS, A 'FLT SPOILERS' CAUTION MESSAGE ILLUMINATED. APPROX 30 SECONDS LATER, A 'SPOILERONS' CAUTION MESSAGE ILLUMINATED. WE ASKED TYS APCH FOR VECTORS TO TAKE CARE OF THE MALFUNCTIONS. WE PERFORMED THE QRH FOR BOTH CAUTION MESSAGES. QRH FOR 'FLT SPOILERS' CALLED FOR LNDG AT FLAPS 45 DEGS, QRH FOR 'SPOILERONS' CALLED FOR LNDG AT FLAPS 20 DEGS. I ELECTED TO LAND AND FLAPS 20 DEGS AND NOT DECLARE AN EMER. AFTER COMPLETING QRH, BOTH MESSAGES REMAINED. WE THEN NOTIFIED DISPATCH AND MAINT. DISPATCH GAVE US LNDG NUMBERS FOR FLAPS 20 DEGS ON RWY 23R. WHILE PERFORMING QRH, WE WERE VECTORED NW OF TYS AT 7000 FT. BEFORE FINISHING TALKING TO DISPATCH, TYS GAVE US HOLDING INSTRUCTIONS AT BUZBY (ILS RWY 23R) AT 7000 FT. AFTER ONE TURN IN HOLDING, I COMMENCED THE ILS RWY 23R APCH AND MADE AN UNEVENTFUL FLAPS 20 DEG LNDG. UPON ROLLOUT, FO CALLED 'SPOILERS GREEN' AND VERIFIED SPOILERS DEPLOY ADVISORY MESSAGE.

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.