# Incident 20120428005729I: Boeing 737-823, Chicago, IL, April 28, 2012

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 28, 2012, 17:49 local time
- Place: Chicago, IL
- Airport: Chicago O'Hare International
- Damage: Minor damage
- Phase of flight: Takeoff: Departure Roll
- Operating rules: Air carrier (Part 121)
- Operator: AALA
- Location: 41.9769° N, 87.9081° W: Placed by OpenAirDocs at CHICAGO O'HARE INTL (ORD), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9769&lon=-87.9081&mi=10
- Aircraft: N926AN, registered now (https://openairdocs.org/aircraft/N926AN) (OpenAirDocs)
- Registry model: Boeing 737-823 (registry code 13844CB, https://openairdocs.org/model/boeing-737-823) (OpenAirDocs)
- Registry engine: CFM International CFM56 series (registry code 13802, https://openairdocs.org/engine/cfm-international-cfm56-series) (OpenAirDocs)
- Reported make and model: BOEING 737-823
- Reported engine: CFM INTL. CFM56 SERIES
- People aboard: 69
- Fatal injuries: 0
- Other injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20120428005729I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON APRIL 28, 2012 AT 17:51, THE GREAT LAKES REGIONAL OPERATIONS CENTER (ROC) NOTIFIED THE CHICAGO O'HARE FSDO BY FAX OF THE FOLLOWING INCIDENT:THE FAX NARRATIVE DESCRIPTION OF THE EVENT WAS THAT AN "AMERICAN AIRLINES B-737-823, FLIGHT NUMBER AAL2427 FROM CYYZ (TORONTO PEARSON INTERNATIONAL AIRPORT) TO ORD LANDED AT ORD AFTER IT WAS REPORTED THAT THE AIRCRAFT BLEW A TIRE ON DEPARTURE FROM CYYZ. THE ROC REPORT STATED THAT THE AIRCRAFT TAXIED TO THE TERMINAL GATE UNAIDED AND THAT AFTER AN INSPECTION AT GATE K7, IT WAS NOTED THAT THERE WAS DAMAGE TO THE RIGHT HORIZONTAL STABILIZER AS WELL AS A HYDRAULIC LEAK ON THE RIGHT WING OVER THE TIRES."THERE WERE A REPORTED 63 PASSENGER ON BOARD WITH 6 CREW MEMBERS, 2 FLIGHT DECK CREW MEMBER AND 4 CABIN CREW MEMBERS. THERE WERE NO REPORTED INJURIES.  AN ON THE SCENE FOLLOW-UP INVESTIGATION INTO THIS INCIDENT WAS CONDUCTED ON THE MORNING OF APRIL 29, 2012 AND THE FOLLOWING ADDITIONAL INFORMATION WAS NOTED DURING A REVIEW OF THE AIRCRAFT LOG BOOK, PAGE 11829966 AND AN INSPECTION OF THE AIRCRAFT:"EXCESSIVE VIBRATION ON TAKEOFF. ATC REPORTS TIRE DEBRIS ON DEPARTURE RUNWAY."AN INSPECTION OF THE AIRCRAFT AT THE ORD AMERICAN AIRLINES HANGAR VERIFIED THAT THE RIGHT HORIZONTAL STABILIZER LEADING EDGE WAS DAMAGED (LARGE DENT) WITH A TIRE TREAD IMPRINT. THIS OCCURRED WHEN PART OF THE TIRE CAP TORE OFF THE NUMBER 3 MAIN TIRE AND STRUCK IT. IT IS UNKNOWN WHEN IT WAS DAMAGED, EITHER AFTER TAKEOFF OR AFTER LANDING. THERE WERE ALSO SEVERAL SOFT IMPACT DAMAGE DENTS TO THE RIGHT INBOARD LOWER FLAP SURFACE AND RIGHT LOWER INBOARD WING SURFACE. THE HYDRAULIC LEAK REPORTED WAS FROM SOME OF THE HYDRAULIC LINES IN THE FLAP WELL AND WHEEL WELL THAT WERE DAMAGED FROM FLYING TIRE DEBRIS EITHER AFTER TAKEOFF OR ON LANDING. THE DAMAGE APPEARED TO BE MODERATE AND AMERICAN AIRLINES MAINTENANCE ENGINEERS FROM THE TULSA TECHNICAL CENTER HAVE EVALUATED THE DAMAGE AND DETERMINED THAT THE AIRCRAFT WOULD BE FERRIED TO THE TULSA TECHNICAL CENTER FOR PERMANENT REPAIRS. ON MAY 1, 2012 THE TEMPORARY AND PERMANENT REPAIRS WHICH INCLUDED THE REPLACEMENT OF BOTH RIGHT MAIN TIRES AND BRAKES, THE RIGHT HAND GEAR DOWN LOCK HARNESS, AND SEVERAL HYDRAULIC LINES. TEMPORARY REPAIRS TO THE HORIZONTAL STABILIZER LEADING EDGE, RIGHT HAND INBOARD FLAP AND FIXED INBOARD TRAILING EDGE PANELS WERE ALSO COMPLETED AND THE AIRCRAFT DEPARTED ORD ON A FERRY FLIGHT THE TULSA TECH CENTER FOR PERMANENT REPAIRS.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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