SDR IXXA10SMN055S

Service difficulty report · Longeron · Doug DC873F

Difficulty date: April 21, 2010
Submitted: May 21, 2010
Operation: Air carrier
Aircraft: N604BX
Make and model: Doug DC873F
Aircraft serial: 46046
Aircraft time: 90,739 hours, 30,862 cycles
Engine: Ge CFM562C
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Corroded
Location: Bs 1700 L34l
Part time: 90,739 hours, 30,862 cycles
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

DURING ROUTINE C-CHECK INSP, FOUND AFT ACCESSORY COMPARTMENT LONGERON 34 LT CORRODED AT STATION 1700.000. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED CORRODED LONGERON SEGMENT. FABRICATED STRAPS. CLEANED, TREATED, PRIMED AREA, STRAPS, AND NEW EXTRUSION. INSTALLED REPAIR PARTS IAW SRM CHAPTER 53-2-2 FIGURE 8, SRM 51-1-8, DC8 SRM 53-2-0, SRM 51-1-8B, SRM 51-1-21, SRM 51-1-20D, AND SRM 51-3-1.

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