A B757-200 while parked had door R1 escape slide inadvertently deployed when crew assisted to open d...

Attributes
ACN	456038
Time
Date	199911
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	ground : parked ground : maintenance
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	456038
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance
Independent Detector	aircraft equipment other aircraft equipment : door escape slide
Resolutory Action	none taken : unable
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : logbook entry
Supplementary
Problem Areas	Maintenance Human Performance Aircraft Company Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Catering had difficulty opening R1 door. Requested help from first officer. First officer opened R1 but did not realize door was armed. Slide came out of pack onto catering truck but did not inflate. Maintenance re-attached slide and signed aircraft log. Just before loading was completed, maintenance returned and found air bottle for opening R1 door in an emergency had been activated and was at zero pressure. Aircraft removed from service.

Original NASA ASRS Text

Title: A B757-200 WHILE PARKED HAD DOOR R1 ESCAPE SLIDE INADVERTENTLY DEPLOYED WHEN CREW ASSISTED TO OPEN DOOR.

Narrative: CATERING HAD DIFFICULTY OPENING R1 DOOR. REQUESTED HELP FROM FO. FO OPENED R1 BUT DID NOT REALIZE DOOR WAS ARMED. SLIDE CAME OUT OF PACK ONTO CATERING TRUCK BUT DID NOT INFLATE. MAINT RE-ATTACHED SLIDE AND SIGNED ACFT LOG. JUST BEFORE LOADING WAS COMPLETED, MAINT RETURNED AND FOUND AIR BOTTLE FOR OPENING R1 DOOR IN AN EMER HAD BEEN ACTIVATED AND WAS AT ZERO PRESSURE. ACFT REMOVED FROM SVC.

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.

A B757-200 while parked had door R1 escape slide inadvertently deployed when crew assisted to open door.