Narrative:

During final approach to runway 23 at charlotte, nc, on jul/sun/92 at XA45 EST, we attempted to lower the flaps and landing gear and discovered an apparent total 'a' system hydraulic fluid loss and subsequent pressure failure. Subsequent to this we noticed a fluctuation of 'a' system pressure which allowed slower than normal flap extension and gear extension. The captain requested a fly-through on final approach to resolve the immediate system malfunction and configure the aircraft for a precautionary landing on a longer runway. Tower cleared us to fly a visual low approach and handed us to departure control for vectoring to the longer runway at charlotte. Following completion of flight manual abnormal procedures an uneventful recovery was made to runway 18R. In keeping with the amnesty opportunity provided through voluntary self- disclosure of this incident which may have resulted in an unintentional airspace violation within the air traffic area we were operating in, I am submitting this report within 10 days of the incident. ATC indicated there was no conflict with other traffic in the charlotte area as a result of our discontinued landing on runway 23.

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Original NASA ASRS Text

Title: MLG ON APCH TO LAND HAS 'A' SYS HYD FAILURE. PERFORMS LOW APCH TO ASSESS SITUATION AND RUN CHKLISTS.

Narrative: DURING FINAL APCH TO RWY 23 AT CHARLOTTE, NC, ON JUL/SUN/92 AT XA45 EST, WE ATTEMPTED TO LOWER THE FLAPS AND LNDG GEAR AND DISCOVERED AN APPARENT TOTAL 'A' SYS HYD FLUID LOSS AND SUBSEQUENT PRESSURE FAILURE. SUBSEQUENT TO THIS WE NOTICED A FLUCTUATION OF 'A' SYS PRESSURE WHICH ALLOWED SLOWER THAN NORMAL FLAP EXTENSION AND GEAR EXTENSION. THE CAPT REQUESTED A FLY-THROUGH ON FINAL APCH TO RESOLVE THE IMMEDIATE SYS MALFUNCTION AND CONFIGURE THE ACFT FOR A PRECAUTIONARY LNDG ON A LONGER RWY. TWR CLRED US TO FLY A VISUAL LOW APCH AND HANDED US TO DEP CTL FOR VECTORING TO THE LONGER RWY AT CHARLOTTE. FOLLOWING COMPLETION OF FLT MANUAL ABNORMAL PROCS AN UNEVENTFUL RECOVERY WAS MADE TO RWY 18R. IN KEEPING WITH THE AMNESTY OPPORTUNITY PROVIDED THROUGH VOLUNTARY SELF- DISCLOSURE OF THIS INCIDENT WHICH MAY HAVE RESULTED IN AN UNINTENTIONAL AIRSPACE VIOLATION WITHIN THE ATA WE WERE OPERATING IN, I AM SUBMITTING THIS RPT WITHIN 10 DAYS OF THE INCIDENT. ATC INDICATED THERE WAS NO CONFLICT WITH OTHER TFC IN THE CHARLOTTE AREA AS A RESULT OF OUR DISCONTINUED LNDG ON RWY 23.

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.