Service difficulty report · Longeron · Doug DC872

Difficulty date
March 31, 2011
Submitted
May 6, 2011
Operation
Air carrier
Aircraft
N721CX
Make and model
Doug DC872
Aircraft serial
46013
Aircraft time
90,599 hours, 22,628 cycles
Part
Longeron
Condition
Corroded
Location
Bs 1380
Part time
90,599 hours, 22,628 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 23 RT CORRODED AT STA 1380.000. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED DAMAGED AREA. FABRICATED NEW LONGERON SEGMENT AND SPLICERS. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. INSTALLED REPAIR PARTS IAW SRM 53-2-2, FIG 10, SHEET 3, TR 53-193, SHEET 4, SRM 51-1-8, SRM 53-2-0, SRM 53-2-0 FIGURE 4, SRM 53-2-2 TR 53-193, SRM 53-2-2 FIGURE 4, SRM 53-4-1 FIG 44B SHEET 2 ITEM "D", SRM 51-2-0, FIG 50 SHEET 51, SRM 51-2-0, FIG 51 SHEET 62, DPS 4.710 REV "L", SRM 51-1-8B, SRM 51-1-20D, AND SRM 51-3-1.

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