Aircraft equipment problem electrical compartment access door partly open.

Attributes
ACN	304524
Time
Date	199505
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : ord
State Reference	IL
Altitude	msl bound lower : 700 msl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ord
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 140 flight time total : 9600 flight time type : 140
ASRS Report	304524
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Had illuminated access compartment door light illumination at liftoff. Aircraft not pressurizing. During climb to 5000 ft MSL, had loud wind noise near nose gear area and flickering aft cargo door light. Suspect malfunctioning switch or latch on an access door. Return to ord to investigate. No emergency declared. Landing uneventful. Maintenance found electrical compartment door under lower fuselage partly open and switch only sending correct signals to annunciator lights sometimes. Worked on latch, switch and relamped all annunciator light bulbs.

Original NASA ASRS Text

Title: ACFT EQUIP PROB ELECTRICAL COMPARTMENT ACCESS DOOR PARTLY OPEN.

Narrative: HAD ILLUMINATED ACCESS COMPARTMENT DOOR LIGHT ILLUMINATION AT LIFTOFF. ACFT NOT PRESSURIZING. DURING CLB TO 5000 FT MSL, HAD LOUD WIND NOISE NEAR NOSE GEAR AREA AND FLICKERING AFT CARGO DOOR LIGHT. SUSPECT MALFUNCTIONING SWITCH OR LATCH ON AN ACCESS DOOR. RETURN TO ORD TO INVESTIGATE. NO EMER DECLARED. LNDG UNEVENTFUL. MAINT FOUND ELECTRICAL COMPARTMENT DOOR UNDER LOWER FUSELAGE PARTLY OPEN AND SWITCH ONLY SENDING CORRECT SIGNALS TO ANNUNCIATOR LIGHTS SOMETIMES. WORKED ON LATCH, SWITCH AND RELAMPED ALL ANNUNCIATOR LIGHT BULBS.

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.