On arrival dfw ILS runway 36L pattern flaps extended to 11 degrees normally. On base leg got a stall indication failure light. Checklist calls for pulling first officer's stall system failure circuit breaker. On 10 mi final flaps selected to 15 degrees with split indication left at 15 degrees and right at 11 degrees. Reselected flaps 11 degrees. Declared an emergency, sorted out problem, did checklists. Flaps 11 degrees speeds were 165 KTS approach and 160 KTS touchdown.

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Attributes
ACN	331668
Time
Date	199603
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : dfw
State Reference	TX
Altitude	msl bound lower : 3000 msl bound upper : 3000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw tower : dfw
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Flight Phase	descent : approach landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	331668
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
ASRS Report	331943
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Origination preflight at tul normal. On arrival to dfw into ILS runway 36 pattern, flaps extended to 11 degrees normally. On base leg, stall indication failure light. Checklist was followed with first officer's stall system failure, circuit breaker pulled per checklist. On 10 mi final, flaps selected to 15 degrees with split indication, ie, left at 15 degrees, right at 11 degrees. Flaps to 11 degrees reselected. Altitude was 3000 ft, speed 190 KTS. Time XA05Z. Tower approved going straight through and towards bpr to sort out problem. On downwind leg, declared emergency, requested runway 35L as longest runway. Flew 11 degree flaps, mid-seal slats approach at 165 KTS. Touch at 160 KTS. Normal reverse, rollout, no problems. Terminated at XA20Z.

Original NASA ASRS Text

Title: ON ARR DFW ILS RWY 36L PATTERN FLAPS EXTENDED TO 11 DEGS NORMALLY. ON BASE LEG GOT A STALL INDICATION FAILURE LIGHT. CHKLIST CALLS FOR PULLING FO'S STALL SYS FAILURE CIRCUIT BREAKER. ON 10 MI FINAL FLAPS SELECTED TO 15 DEGS WITH SPLIT INDICATION L AT 15 DEGS AND R AT 11 DEGS. RESELECTED FLAPS 11 DEGS. DECLARED AN EMER, SORTED OUT PROB, DID CHKLISTS. FLAPS 11 DEGS SPDS WERE 165 KTS APCH AND 160 KTS TOUCHDOWN.

Narrative: ORIGINATION PREFLT AT TUL NORMAL. ON ARR TO DFW INTO ILS RWY 36 PATTERN, FLAPS EXTENDED TO 11 DEGS NORMALLY. ON BASE LEG, STALL INDICATION FAILURE LIGHT. CHKLIST WAS FOLLOWED WITH FO'S STALL SYS FAILURE, CIRCUIT BREAKER PULLED PER CHKLIST. ON 10 MI FINAL, FLAPS SELECTED TO 15 DEGS WITH SPLIT INDICATION, IE, L AT 15 DEGS, R AT 11 DEGS. FLAPS TO 11 DEGS RESELECTED. ALT WAS 3000 FT, SPD 190 KTS. TIME XA05Z. TWR APPROVED GOING STRAIGHT THROUGH AND TOWARDS BPR TO SORT OUT PROB. ON DOWNWIND LEG, DECLARED EMER, REQUESTED RWY 35L AS LONGEST RWY. FLEW 11 DEG FLAPS, MID-SEAL SLATS APCH AT 165 KTS. TOUCH AT 160 KTS. NORMAL REVERSE, ROLLOUT, NO PROBS. TERMINATED AT XA20Z.

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.