A321 flight crew has cabin information display (cid) caution light. Attempts to reset and ascertain cause cannot be completed. Flight continues and low door slide pressure is found as the fault.

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Attributes
ACN	689109
Time
Date	200603
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : phl.airport
State Reference	PA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A321
Operating Under FAR Part	Part 121
Flight Phase	ground : parked
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : cfi pilot : atp pilot : commercial
Experience	flight time last 90 days : 210 flight time total : 17500 flight time type : 2200
ASRS Report	689109
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : less severe non adherence : company policies non adherence : published procedure
Independent Detector	other flight crewa other flight crewb other other : 3
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Aircraft Cabin Crew Human Performance Flight Crew Human Performance Maintenance Human Performance Company
Primary Problem	Maintenance Human Performance

Narrative:

Captain notified me the 'a' flight attendant was having a cabin information display caution light on her panel. This is a common occurrence on the A-321 aircraft. He asked that I refer to our handbook for the cabin information display reset procedure while he called dispatch. Referring to our procedure and with guidance from our dispatcher we proceeded to reset cabin information displays. After reset; the caution was still on and dispatch said there was no more we could do. At that time agent was in hurry to get aircraft off gate as we were already late. During taxi all was normal. After we were in-flight at cruise; captain started looking through mcdu and noticed cabin information displays (req). Upon pushing this button; it revealed a cabin information display malfunction. This was reset. Upon arrival in ZZZ; maintenance was advised and found low bottle pressure on a slide pack. It was a required maintenance item and we shouldn't have been dispatched. There was no guidance anywhere as to this item and even dispatch was unaware of its requirement.

Original NASA ASRS Text

Title: A321 FLT CREW HAS CABIN INFO DISPLAY (CID) CAUTION LIGHT. ATTEMPTS TO RESET AND ASCERTAIN CAUSE CANNOT BE COMPLETED. FLT CONTINUES AND LOW DOOR SLIDE PRESSURE IS FOUND AS THE FAULT.

Narrative: CAPT NOTIFIED ME THE 'A' FLT ATTENDANT WAS HAVING A CABIN INFO DISPLAY CAUTION LIGHT ON HER PANEL. THIS IS A COMMON OCCURRENCE ON THE A-321 ACFT. HE ASKED THAT I REFER TO OUR HANDBOOK FOR THE CABIN INFO DISPLAY RESET PROC WHILE HE CALLED DISPATCH. REFERRING TO OUR PROC AND WITH GUIDANCE FROM OUR DISPATCHER WE PROCEEDED TO RESET CABIN INFO DISPLAYS. AFTER RESET; THE CAUTION WAS STILL ON AND DISPATCH SAID THERE WAS NO MORE WE COULD DO. AT THAT TIME AGENT WAS IN HURRY TO GET ACFT OFF GATE AS WE WERE ALREADY LATE. DURING TAXI ALL WAS NORMAL. AFTER WE WERE INFLT AT CRUISE; CAPT STARTED LOOKING THROUGH MCDU AND NOTICED CABIN INFO DISPLAYS (REQ). UPON PUSHING THIS BUTTON; IT REVEALED A CABIN INFO DISPLAY MALFUNCTION. THIS WAS RESET. UPON ARR IN ZZZ; MAINT WAS ADVISED AND FOUND LOW BOTTLE PRESSURE ON A SLIDE PACK. IT WAS A REQUIRED MAINT ITEM AND WE SHOULDN'T HAVE BEEN DISPATCHED. THERE WAS NO GUIDANCE ANYWHERE AS TO THIS ITEM AND EVEN DISPATCH WAS UNAWARE OF ITS REQUIREMENT.

Data retrieved from NASA's ASRS site as of January 2009 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.