SDR IPXA1M70289

Service difficulty report · Longeron · Doug MD11F

Difficulty date: November 8, 2011
Submitted: November 9, 2011
Operation: Air carrier
Aircraft: N257UP
Make and model: Doug MD11F
Aircraft serial: 48451
Aircraft time: 60,841 hours, 11,433 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Corroded
Location: Fuselage
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

INSPECTION TYPE:C, LONGERON AT STA 6-72 TO 6-80 & LONGERON 52 FOUND LWR SURFACE CORRODED. CORROSION EXCEED LIMITS IAW SRM 53-00-0, FIG 205. CORROSION TRIM OUT IAW SRM 53-00-05, FIG 202 REPAIR 1. HFEC INSPECTION FOUND NO CRACK EVIDENT. NEW LONGERON FABRICATED IAW DWG A6A7027& REPAIR SPLICE FABRICATED IAW SRM53-00-05, TYPE 1, FIG 201, REPAIR 1. INSTALLED SRM 51-33-01, REV 47.

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