SDR IPXA11M70307

Service difficulty report · Longeron · Doug MD11F

Difficulty date: November 10, 2011
Submitted: November 11, 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: Bs 1661-1681
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, CENTER CARGO BS 1657 -1685 LONGERON 48L CORRODED. CORROSION REMOVED & FOUND EXCEED LIMITS IAW SRM 53-00-00, FIG 205. CORROSION TRIMMED OUT IAW EN:1345-11, SHEET 1,STEP 2. HFEC INSPECTION CARRIED OUT & NO CRACK EVIDENT. NEW LONGERON & CHANNEL FABRICATED IAW EN:1345-11, STEP 6 & 7 AND INSTALLED IAW SRM 51-33-01, REV 47.

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