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Baggage door counterbalance system MEL. Mechanic erroneously signed it off, aircraft operated flight. Later discovered MEL could not be signed off without a support strut.
| Attributes | |
| ACN | 321273 |
| Time | |
| Date | 199511 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : hnl |
| State Reference | HI |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8-100 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 5900 flight time type : 220 |
| ASRS Report | 321273 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Type of aircraft: DHC8 103. During preflight, checked maintenance logbook. Baggage door counterbalance system was MEL'ed. Remarks section referred me to melp. Melp stated: we could use baggage door if support strut was installed and used. Verified with mechanic who signed it off that strut was installed and we were legal to go. He assured me, yes, we were legal to use baggage door. The next day the chief pilot checked the logbook and said the plane was not legal to use baggage door. The strut was not installed. Plane was grounded until parts arrived and were installed. The cause of the problem was the mechanic not understanding the melp.
Original NASA ASRS Text
Title: BAGGAGE DOOR COUNTERBALANCE SYS MEL. MECH ERRONEOUSLY SIGNED IT OFF, ACFT OPERATED FLT. LATER DISCOVERED MEL COULD NOT BE SIGNED OFF WITHOUT A SUPPORT STRUT.
Narrative: TYPE OF ACFT: DHC8 103. DURING PREFLT, CHKED MAINT LOGBOOK. BAGGAGE DOOR COUNTERBALANCE SYS WAS MEL'ED. REMARKS SECTION REFERRED ME TO MELP. MELP STATED: WE COULD USE BAGGAGE DOOR IF SUPPORT STRUT WAS INSTALLED AND USED. VERIFIED WITH MECH WHO SIGNED IT OFF THAT STRUT WAS INSTALLED AND WE WERE LEGAL TO GO. HE ASSURED ME, YES, WE WERE LEGAL TO USE BAGGAGE DOOR. THE NEXT DAY THE CHIEF PLT CHKED THE LOGBOOK AND SAID THE PLANE WAS NOT LEGAL TO USE BAGGAGE DOOR. THE STRUT WAS NOT INSTALLED. PLANE WAS GROUNDED UNTIL PARTS ARRIVED AND WERE INSTALLED. THE CAUSE OF THE PROB WAS THE MECH NOT UNDERSTANDING THE MELP.
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.