Flight crew of a jetstream BA41 observed passenger door warning and aircraft not pressurizing during climb out after takeoff resulting in returning to land. It was subsequently determined after landing that the aircraft log had not been properly signed off to also include the manual pressurization control mode.

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Attributes
ACN	339998
Time
Date	199606
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : chs
State Reference	SC
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : chs
Operator	common carrier : air carrier
Make Model Name	Jetstream 41
Operating Under FAR Part	Part 135
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 4600 flight time type : 1000
ASRS Report	339998
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical non adherence other other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation other

Narrative:

On rotation passenger door warning illuminated and aircraft would not pressurize. We elected to return to chs. Mechanic (contract) looked at door seal, microswitches, etc. Exact write up was 'passenger door light illuminated on rotation and aircraft would not pressurize in either automatic or manual.' the mechanic only signed off the door warning and the automatic mode. Manual mode was not signed off. We flew the aircraft on one leg with the incorrect sign-off.

Original NASA ASRS Text

Title: FLC OF A JETSTREAM BA41 OBSERVED PAX DOOR WARNING AND ACFT NOT PRESSURIZING DURING CLBOUT AFTER TKOF RESULTING IN RETURNING TO LAND. IT WAS SUBSEQUENTLY DETERMINED AFTER LNDG THAT THE ACFT LOG HAD NOT BEEN PROPERLY SIGNED OFF TO ALSO INCLUDE THE MANUAL PRESSURIZATION CTL MODE.

Narrative: ON ROTATION PAX DOOR WARNING ILLUMINATED AND ACFT WOULD NOT PRESSURIZE. WE ELECTED TO RETURN TO CHS. MECH (CONTRACT) LOOKED AT DOOR SEAL, MICROSWITCHES, ETC. EXACT WRITE UP WAS 'PAX DOOR LIGHT ILLUMINATED ON ROTATION AND ACFT WOULD NOT PRESSURIZE IN EITHER AUTO OR MANUAL.' THE MECH ONLY SIGNED OFF THE DOOR WARNING AND THE AUTO MODE. MANUAL MODE WAS NOT SIGNED OFF. WE FLEW THE ACFT ON ONE LEG WITH THE INCORRECT SIGN-OFF.

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.