Service difficulty report · Skin · Doug DC873F

Difficulty date
May 4, 2008
Submitted
May 29, 2008
Operation
Air carrier
Aircraft
N807DH
Make and model
Doug DC873F
Aircraft serial
45990
Aircraft time
91,019 hours, 28,448 cycles
Part
Skin
Condition
Misrepaired
Location
Bs 420
Part time
91,019 hours, 28,448 cycles
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

REMOVED AND REPLACED EXISTING REPAIR AT FUSELAGE STA 420 LT SIDE L-27L TO L-28L WITH PERMANENT TYPE REPAIR PER SRM, INDICATE TYPE OF REPAIR REINSPECTION INTERVAL AND NEXT REQUIRED INSPECTION (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 53-2-1 FIG 7 SHEET 1-4. REMOVED EXISTING REPAIR NOT ACCORDING TO SRM IAW SRM 51-1-21, SRM 51-1-20D. CUT OUT DAMAGED SECTION AND FABRICATED REPAIR DOUBLER (AL7075T6 0.090") FILLER (AL7075T6 0.080") AND (2EA) INTERNAL FINGER DOUBLER (AL7075T6 0.050") IAW SRM 53-2-1 FIG 7 SHEET 1, 4, SRM 53-4-1 FIG 4 ITEM "F". CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. INSTALLED REPAIR PARTS IAW SRM 53-2-1 FIG 7 SHEET 1, 4, SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1 (TORQUE). THIS IS A CLASS 1 TYPE REPAIR, INITIAL INSP AT 4.000 LANDING CYCLES, REPETITIVE AT 4.000 LANDING CYCLES, REPLACEMENT: N/A METHOC: EXTERNAL VISUAL, NEXT INSP AT 32448 LANDING CYCLES IAW SRM 53-2-1 FIG 7, TR NR 53-190 DATED 09-20-03. ENTERED ON FORM 337. PERMANENT REPAIR.

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