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A B737-300 was struck by a belt loader aft of aft cargo door. Evaluated damage per the structural repair manual and inspected stringer 34. Deferred repair. Later advised wrong limits used for reference.
| Attributes | |
| ACN | 634850 |
| Time | |
| Date | 200410 |
| Day | Fri |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tracon : crw.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance avionics : 14 |
| ASRS Report | 634850 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Events | |
| Anomaly | aircraft equipment problem : critical ground encounters : vehicle maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : engineering procedure contributing factor : manuals performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft X was struck by belt loader aft of cargo door. Maintenance control and engineering were contacted. Maintenance control faxed srm reference 53-00-01 figure 101. Maintenance control then asked me to map out damage. I proceeded to map out damage and then faxed the sketch to maintenance control. Engineering then requested me to perform a visual inspection on stringer 24. I performed inspection and advised them that no damage was visible on stringer 24. Per engineering damage fell into chart area B srm 53-00-01 figure 103 (sheet 1) page 108. At which time maintenance control requested that I place log item in the logbook. No control number was issued. I was later informed that I used incorrect references.
Original NASA ASRS Text
Title: A B737-300 WAS STRUCK BY A BELT LOADER AFT OF AFT CARGO DOOR. EVALUATED DAMAGE PER THE STRUCTURAL REPAIR MANUAL AND INSPECTED STRINGER 34. DEFERRED REPAIR. LATER ADVISED WRONG LIMITS USED FOR REF.
Narrative: ACFT X WAS STRUCK BY BELT LOADER AFT OF CARGO DOOR. MAINT CTL AND ENGINEERING WERE CONTACTED. MAINT CTL FAXED SRM REF 53-00-01 FIGURE 101. MAINT CTL THEN ASKED ME TO MAP OUT DAMAGE. I PROCEEDED TO MAP OUT DAMAGE AND THEN FAXED THE SKETCH TO MAINT CTL. ENGINEERING THEN REQUESTED ME TO PERFORM A VISUAL INSPECTION ON STRINGER 24. I PERFORMED INSPECTION AND ADVISED THEM THAT NO DAMAGE WAS VISIBLE ON STRINGER 24. PER ENGINEERING DAMAGE FELL INTO CHART AREA B SRM 53-00-01 FIGURE 103 (SHEET 1) PAGE 108. AT WHICH TIME MAINT CTL REQUESTED THAT I PLACE LOG ITEM IN THE LOGBOOK. NO CTL NUMBER WAS ISSUED. I WAS LATER INFORMED THAT I USED INCORRECT REFS.
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.