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A B737-500 was dispatched in non compliance with a dented horizontal stabilizer continued deferred using the incorrect srm reference.
| Attributes | |
| ACN | 507780 |
| Time | |
| Date | 200104 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-500 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance technician : 12 |
| ASRS Report | 507780 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper documentation non adherence : far non adherence : published procedure |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure contributing factor : engineering procedure contributing factor : manuals performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Chart Or Publication Company Maintenance Human Performance Environmental Factor Aircraft |
| Primary Problem | Chart Or Publication |
Narrative:
2 (engineering authority/authorized) dents were found on the r-hand leading edge of the horizontal stabilizer. Found limits per maintenance manual 51-00-99 page 201 paragraph 2.a.(2). Notified line maintenance controller. Controller stated maintenance manual reference is no good as of 2 days ago per engineering authority/authorized. Controller stated to use srm 55-10-1. No reference was found, only srm 55-10-01, but controller said that was no good. Foreman saw delay as lengthy and proceeded to sign off and release aircraft for service per maintenance manual 51-00-99. Manuals were not updated to reflect this change and an improper signoff occurred. Air carrier X aircraft abc flight xoo on apr/xa/01 was the aircraft involved.
Original NASA ASRS Text
Title: A B737-500 WAS DISPATCHED IN NON COMPLIANCE WITH A DENTED HORIZ STABILIZER CONTINUED DEFERRED USING THE INCORRECT SRM REF.
Narrative: 2 (ENGINEERING AUTH) DENTS WERE FOUND ON THE R-HAND LEADING EDGE OF THE HORIZ STABILIZER. FOUND LIMITS PER MAINT MANUAL 51-00-99 PAGE 201 PARAGRAPH 2.A.(2). NOTIFIED LINE MAINT CTLR. CTLR STATED MAINT MANUAL REF IS NO GOOD AS OF 2 DAYS AGO PER ENGINEERING AUTH. CTLR STATED TO USE SRM 55-10-1. NO REF WAS FOUND, ONLY SRM 55-10-01, BUT CTLR SAID THAT WAS NO GOOD. FOREMAN SAW DELAY AS LENGTHY AND PROCEEDED TO SIGN OFF AND RELEASE ACFT FOR SVC PER MAINT MANUAL 51-00-99. MANUALS WERE NOT UPDATED TO REFLECT THIS CHANGE AND AN IMPROPER SIGNOFF OCCURRED. ACR X ACFT ABC FLT XOO ON APR/XA/01 WAS THE ACFT INVOLVED.
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.