B757-200 crew had the cabin fill with smoke at V1 during takeoff roll.

Attributes
ACN	519562
Time
Date	200107
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : sju.airport
State Reference	PR
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : sju.tower
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : takeoff climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 60 flight time total : 20000 flight time type : 1400
ASRS Report	519562
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly
Independent Detector	other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance controller : provided flight assist flight crew : landed in emergency condition flight crew : declared emergency other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During takeoff, sju, departing runway 8, the aircraft started to fill rapidly with smoke. This occurred at about V1, which was 120 KTS. Continued takeoff, put on oxygen masks, copilot turned packs off. Went into QRH and followed appropriate procedures, smoke dissipated. Declared emergency, returned to sju, completed necessary checklists and landed on runway 8. Total time in air 8 mins. Returned to gate and offloaded passenger.

Original NASA ASRS Text

Title: B757-200 CREW HAD THE CABIN FILL WITH SMOKE AT V1 DURING TKOF ROLL.

Narrative: DURING TKOF, SJU, DEPARTING RWY 8, THE ACFT STARTED TO FILL RAPIDLY WITH SMOKE. THIS OCCURRED AT ABOUT V1, WHICH WAS 120 KTS. CONTINUED TKOF, PUT ON OXYGEN MASKS, COPLT TURNED PACKS OFF. WENT INTO QRH AND FOLLOWED APPROPRIATE PROCS, SMOKE DISSIPATED. DECLARED EMER, RETURNED TO SJU, COMPLETED NECESSARY CHKLISTS AND LANDED ON RWY 8. TOTAL TIME IN AIR 8 MINS. RETURNED TO GATE AND OFFLOADED PAX.

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.