Narrative:

Aircraft arrived in ZZZ, first officer, after throwing a recap tire on departure from pdx, or. Maintenance replaced tire and wheel and 2 hydraulic lines that were damaged when the recap came off. Also, the antiskid was inoperative and deferred per MEL. After logbook was signed off and maintenance items cleared, first officer made a preflight inspection of exterior of aircraft and we departed for pdx. After arrival in pdx, maintenance discovered damage to inboard flap panel that apparently was overlooked by maintenance in ZZZ and also by first officer on exterior preflight inspection. Aircraft was ferried to zyz for repairs. Callback conversation with reporter revealed the following information: the reporter stated the aircraft had thrown tire tread damage to the gear, flaps and hydraulic system on arrival at ZZZ, first officer. The reporter said the damage occurred on takeoff from ZZZ, us, and the tower advised the flight of tire debris on the runway. The reporter said the technicians made the thrown tread damage check per the maintenance manual and repaired the damaged hydraulic lines, replaced the tire and deferred the antiskid system. The reporter stated the first officer did not report any additional damage on the preflight walkaround check. The reporter said on arrival in ZZZ, us, the left inboard trailing edge flap was thoroughly checked and upper surface damage was discovered. The reporter stated the damage was out of limits of the structural repair manual and maintenance ferried for repair. Supplemental information from acn 452458: I consulted the maintenance manual and could not find anything that instructed me to lower the flaps to perform the inspection. After, the recap of the tire had separated or migrated.

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Original NASA ASRS Text

Title: AN MD11 WAS OPERATED IN NON COMPLIANCE WITH OUT-OF-LIMITS DAMAGE TO THE L INBOARD FLAP UPPER SURFACE CAUSED BY A THROWN TIRE TREAD.

Narrative: ACFT ARRIVED IN ZZZ, FO, AFTER THROWING A RECAP TIRE ON DEP FROM PDX, OR. MAINT REPLACED TIRE AND WHEEL AND 2 HYD LINES THAT WERE DAMAGED WHEN THE RECAP CAME OFF. ALSO, THE ANTISKID WAS INOP AND DEFERRED PER MEL. AFTER LOGBOOK WAS SIGNED OFF AND MAINT ITEMS CLRED, FO MADE A PREFLT INSPECTION OF EXTERIOR OF ACFT AND WE DEPARTED FOR PDX. AFTER ARR IN PDX, MAINT DISCOVERED DAMAGE TO INBOARD FLAP PANEL THAT APPARENTLY WAS OVERLOOKED BY MAINT IN ZZZ AND ALSO BY FO ON EXTERIOR PREFLT INSPECTION. ACFT WAS FERRIED TO ZYZ FOR REPAIRS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT HAD THROWN TIRE TREAD DAMAGE TO THE GEAR, FLAPS AND HYD SYS ON ARR AT ZZZ, FO. THE RPTR SAID THE DAMAGE OCCURRED ON TKOF FROM ZZZ, US, AND THE TWR ADVISED THE FLT OF TIRE DEBRIS ON THE RWY. THE RPTR SAID THE TECHNICIANS MADE THE THROWN TREAD DAMAGE CHK PER THE MAINT MANUAL AND REPAIRED THE DAMAGED HYD LINES, REPLACED THE TIRE AND DEFERRED THE ANTISKID SYS. THE RPTR STATED THE FO DID NOT RPT ANY ADDITIONAL DAMAGE ON THE PREFLT WALKAROUND CHK. THE RPTR SAID ON ARR IN ZZZ, US, THE L INBOARD TRAILING EDGE FLAP WAS THOROUGHLY CHKED AND UPPER SURFACE DAMAGE WAS DISCOVERED. THE RPTR STATED THE DAMAGE WAS OUT OF LIMITS OF THE STRUCTURAL REPAIR MANUAL AND MAINT FERRIED FOR REPAIR. SUPPLEMENTAL INFO FROM ACN 452458: I CONSULTED THE MAINT MANUAL AND COULD NOT FIND ANYTHING THAT INSTRUCTED ME TO LOWER THE FLAPS TO PERFORM THE INSPECTION. AFTER, THE RECAP OF THE TIRE HAD SEPARATED OR MIGRATED.

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.