Narrative:

On 9/fri/00 I accomplished a 'the interior portion of a 'a' check on aircraft xyz and all interior emergency lights operations check normal per 'a' check' paper work and no discrepancies noted interior and exterior emergency lights. Callback conversation with reporter revealed the following information: the reporter stated there are two types of checks accomplished on the emergency floor lighting, one is a frequent overnight layover check performed at a maintenance station where only the light operation is checked. The reporter said the other 'a' check performed every one hundred hours and mostly at night is more concentrated on brakes and tires and system operational checks. The reporter stated that during the 'a' check the job card has the emergency floor lighting intensity check accomplished. The reporter said it is believed the FAA inspector made the intensity check during daylight hours and level of intensity would be a judgment call in a cabin illuminated with daylight. The reporter stated the fact one battery was found disconnected is not in itself proof of inadequate intensity as all emergency floor lighting batteries are connected in parallel. Callback conversation with reporter from acn 502412: the reporter stated the FAA safety inspector made the emergency floor lighting test during daylight. The reporter said the 'a' check every 7 to 10 days is mainly done on midnight shift at a maintenance station. The reporter stated emergency light check job card regarding intensity states 'check for approximate equal light intensity.' the reporter said the floor light system is powered by two light pack batteries and one fully charged light pack can power the lighting with no loss of light intensity. The inspector must have found the operating battery pack at a low charge.

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Original NASA ASRS Text

Title: AN FAA SAFETY INSPECTOR ALLEGES ALL 'A' CHKS ACCOMPLISHED ON AN MD-80 ACFT XYZ SINCE APRIL, 2000 THE EMER FLOOR LIGHTING INTENSITY CHK WAS NOT ACCOMPLISHED OR IMPROPERLY DONE.

Narrative: ON 9/FRI/00 I ACCOMPLISHED A 'THE INTERIOR PORTION OF A 'A' CHK ON ACFT XYZ AND ALL INTERIOR EMER LIGHTS OPS CHK NORMAL PER 'A' CHK' PAPER WORK AND NO DISCREPANCIES NOTED INTERIOR AND EXTERIOR EMER LIGHTS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THERE ARE TWO TYPES OF CHKS ACCOMPLISHED ON THE EMER FLOOR LIGHTING, ONE IS A FREQUENT OVERNIGHT LAYOVER CHK PERFORMED AT A MAINT STATION WHERE ONLY THE LIGHT OP IS CHKED. THE RPTR SAID THE OTHER 'A' CHK PERFORMED EVERY ONE HUNDRED HOURS AND MOSTLY AT NIGHT IS MORE CONCENTRATED ON BRAKES AND TIRES AND SYS OPERATIONAL CHKS. THE RPTR STATED THAT DURING THE 'A' CHK THE JOB CARD HAS THE EMER FLOOR LIGHTING INTENSITY CHK ACCOMPLISHED. THE RPTR SAID IT IS BELIEVED THE FAA INSPECTOR MADE THE INTENSITY CHK DURING DAYLIGHT HRS AND LEVEL OF INTENSITY WOULD BE A JUDGMENT CALL IN A CABIN ILLUMINATED WITH DAYLIGHT. THE RPTR STATED THE FACT ONE BATTERY WAS FOUND DISCONNECTED IS NOT IN ITSELF PROOF OF INADEQUATE INTENSITY AS ALL EMER FLOOR LIGHTING BATTERIES ARE CONNECTED IN PARALLEL. CALLBACK CONVERSATION WITH RPTR FROM ACN 502412: THE RPTR STATED THE FAA SAFETY INSPECTOR MADE THE EMER FLOOR LIGHTING TEST DURING DAYLIGHT. THE RPTR SAID THE 'A' CHK EVERY 7 TO 10 DAYS IS MAINLY DONE ON MIDNIGHT SHIFT AT A MAINT STATION. THE RPTR STATED EMER LIGHT CHK JOB CARD REGARDING INTENSITY STATES 'CHK FOR APPROXIMATE EQUAL LIGHT INTENSITY.' THE RPTR SAID THE FLOOR LIGHT SYS IS POWERED BY TWO LIGHT PACK BATTERIES AND ONE FULLY CHARGED LIGHT PACK CAN POWER THE LIGHTING WITH NO LOSS OF LIGHT INTENSITY. THE INSPECTOR MUST HAVE FOUND THE OPERATING BATTERY PACK AT A LOW CHARGE.

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.