SDR FDEA201003020592

Service difficulty report · Stiffener · Doug MD1010F

Difficulty date: March 2, 2010
Submitted: March 4, 2010
Operation: Air carrier
Aircraft: N570FE
Make and model: Doug MD1010F
Aircraft serial: 47829
Aircraft time: 74,213 hours, 25,266 cycles
Engine: Ge CF66D
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Stiffener
Part number: ARB23863
Condition: Cracked
Location: Lt Wing
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LT WING UPPER L/E PANEL 516 ET HAS 3 EA INNER STIFFENERS CRACKED. RECEIVED MATERIAL ID 7075-0 0.040 TO FORM 3 REPAIR STIFFENERS AND HEAT TREAT TO 7075-T6 0.040 IAW SRM 57-10-00, PG 83, VOL I. FABRICATED 3 REPAIR STIFFENERS IAW SRM 57-10-00, PG 83, VOL I. APPLIED ALODINE AND PRIME IAW SRM 51-21-01, VOL II. INSTALLED THE 3 REPAIR STIFFENERS IAW SRM 57-10-00, PG 83, VOL I.

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