1 / 9

American Airlines Flight 1400 St. Louis, Missouri

American Airlines Flight 1400 St. Louis, Missouri. Maintenance Issues Ron Price. Air Turbine Starter Valve History. Replaced six times in twelve days Twice placed back in service Four times deferred and put on MEL Three times MEL cleared. ATSV Alert History.

veata
Download Presentation

American Airlines Flight 1400 St. Louis, Missouri

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. American Airlines Flight 1400 St. Louis, Missouri Maintenance Issues Ron Price

  2. Air Turbine Starter Valve History • Replaced six times in twelve days • Twice placed back in service • Four times deferred and put on MEL • Three times MEL cleared

  3. ATSV Alert History • First alert September 16 • Cleared after successful operation of start system • Second alert September 17 • Troubleshoot wiring recommended • ATSV replaced and remained on MEL (no filter in stock) • Third alert September 27 • ATSV operation deferred and placed on MEL • Troubleshoot wiring recommended

  4. ATSV Discrepancy History • Fleet wide review • 27 additional reported engine start-related maintenance items • 18 deferred and put on MEL • All MELs cleared • No repeat discrepancies reported

  5. ATSV – Air Filter Maintenance records indicate “C” check cleaning Severely deteriorated “Removed and replaced” ATSV Manual override pin bent Line mechanics used unapproved manual start procedure Maintenance Findings

  6. Pin buckled Lever AA1400 Lever Use Lever used to push up on manual override pin

  7. CASS Program • Designed to identify and correct factors that could lead to an accident • Did not • Ensure inspection and maintenance program effective • Recognize repeated failed engine starts, ATSV replacements, and MEL deferments • Ensure that maintenance personnel adhered to proper maintenance inspections and procedures

  8. Maintenance Safety Issue CASS did not adequately detect and correct maintenance performance deficiencies before they contributed to an accident

More Related