Rapid rate of descent established after cabin pressure loss and coordination with ARTCC radar controller. Cabin report of some first class passenger not donning masks account dhd captain did not.

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Attributes
ACN	183944
Time
Date	199107
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : rod
State Reference	OH
Altitude	msl bound lower : 20000 msl bound upper : 24000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zob
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : intermediate altitude cruise other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : commercial pilot : flight engineer pilot : instrument
Experience	flight time last 90 days : 210 flight time total : 5530 flight time type : 3490
ASRS Report	183944
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical non adherence : far
Independent Detector	other flight crewa
Resolutory Action	flight crew : exited adverse environment flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Cabin rate of climb fluctuated at about 15OO FPM. As the cabin altitude passed 8000 ft, we donned our oxygen masks and did the 'rapid descent' checklist. The cabin cleared down to 10000 ft. Originally we were on a heading south to rod then while in the descent we were vectored back to dtw, where we took off from originally. We landed without any complications or injuries to passengers. They all donned masks except for a few in first class, apparently because a deadheading captain did not put his on! We squawked 7700 in the descent part way to dtw.

Original NASA ASRS Text

Title: RAPID RATE OF DSCNT ESTABLISHED AFTER CABIN PRESSURE LOSS AND COORD WITH ARTCC RADAR CTLR. CABIN RPT OF SOME FIRST CLASS PAX NOT DONNING MASKS ACCOUNT DHD CAPT DID NOT.

Narrative: CABIN RATE OF CLB FLUCTUATED AT ABOUT 15OO FPM. AS THE CABIN ALT PASSED 8000 FT, WE DONNED OUR OXYGEN MASKS AND DID THE 'RAPID DSCNT' CHKLIST. THE CABIN CLRED DOWN TO 10000 FT. ORIGINALLY WE WERE ON A HDG S TO ROD THEN WHILE IN THE DSCNT WE WERE VECTORED BACK TO DTW, WHERE WE TOOK OFF FROM ORIGINALLY. WE LANDED WITHOUT ANY COMPLICATIONS OR INJURIES TO PAXS. THEY ALL DONNED MASKS EXCEPT FOR A FEW IN FIRST CLASS, APPARENTLY BECAUSE A DEADHEADING CAPT DID NOT PUT HIS ON! WE SQUAWKED 7700 IN THE DSCNT PART WAY TO DTW.

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.