SDR FDEA201109013618

Service difficulty report · Spar Cap · Doug MD11F

Difficulty date: September 1, 2011
Submitted: September 1, 2011
Operation: Air carrier
Aircraft: N643FE
Make and model: Doug MD11F
Aircraft serial: 48486
Aircraft time: 48,609 hours, 9,839 cycles
System (JASC): 5711 · Wing Spar
Part: Spar Cap
Part number: ARB74131
Condition: Corroded
Location: Zone 500
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 REAR SPAR UPPER CAP XORS 1042 FOUND CORRODED. CORROSION REMOVED IAW SRM 51-21-01, REV 47. ORIGINAL MATERIAL THICKNESS = 0.145"; MATERIAL REMOVED= 0.032"; MATERIAL REMAINED = 0.113" - FOUND OUT OF LIMITS IAW SRM 57-00-10, REV 47, FIG 101. ACCOMPLISHED EA 1-5710-153396, REPAIR CLASSIFIED AS MINOR IAW GMM 6-2-100, REV 113.

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