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A B737-200 incurred thrust reverser damage from ground equipment. Technician making inspection reports phase I procedure inadequate.
| Attributes | |
| ACN | 606091 |
| Time | |
| Date | 200401 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | oversight : supervisor |
| ASRS Report | 606091 |
| Events | |
| Anomaly | aircraft equipment problem : critical ground encounters : vehicle other anomaly other |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | other other other |
| Factors | |
| Maintenance | performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Chart Or Publication |
Narrative:
I was called to look at some minor damage on the #1 thrust reverser actuator fairing, that was caused by a belt loader. The damage amounted to a small dent and scrape on the bottom of the fairing. We pulled the inspection (maintenance manual 05-51-062-02). The phase I inspection was complied with and no structural damage was found, other than the small scrape and dent on the fairing. This damage was documented and the aircraft returned for service. I think the maintenance manual is vague in regards to when it is necessary to do more than the phase I inspection. It may help to delete the phase I inspection and just perform the phase ii inspection any time the engine has been contacted by ground equipment.
Original NASA ASRS Text
Title: A B737-200 INCURRED THRUST REVERSER DAMAGE FROM GND EQUIP. TECHNICIAN MAKING INSPECTION RPTS PHASE I PROC INADEQUATE.
Narrative: I WAS CALLED TO LOOK AT SOME MINOR DAMAGE ON THE #1 THRUST REVERSER ACTUATOR FAIRING, THAT WAS CAUSED BY A BELT LOADER. THE DAMAGE AMOUNTED TO A SMALL DENT AND SCRAPE ON THE BOTTOM OF THE FAIRING. WE PULLED THE INSPECTION (MAINT MANUAL 05-51-062-02). THE PHASE I INSPECTION WAS COMPLIED WITH AND NO STRUCTURAL DAMAGE WAS FOUND, OTHER THAN THE SMALL SCRAPE AND DENT ON THE FAIRING. THIS DAMAGE WAS DOCUMENTED AND THE ACFT RETURNED FOR SVC. I THINK THE MAINT MANUAL IS VAGUE IN REGARDS TO WHEN IT IS NECESSARY TO DO MORE THAN THE PHASE I INSPECTION. IT MAY HELP TO DELETE THE PHASE I INSPECTION AND JUST PERFORM THE PHASE II INSPECTION ANY TIME THE ENG HAS BEEN CONTACTED BY GND EQUIP.
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.