Service difficulty report · Skin · Boeing 7572B7

Difficulty date
September 9, 2010
Submitted
September 10, 2010
Operation
Air carrier
Aircraft
N930FD
Make and model
Boeing 7572B7
Aircraft serial
25240
Aircraft time
57,415 hours, 17,967 cycles
Part
Skin
Part number
2024T3
Condition
Dented
Location
Bs 1520
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

REWORK- DENT WAS FOUND ON FIRST EVALUATION TO BE OUT LIMITS, WAS RE-EVALUATED AND BLOCK 26 "CORRECTIVE ACTION" STATED TO BE FOUND WITHIN LIMITS. SECOND EVALUATION DID NOT ADDRESS FIRST EVALUATION OUT OF LIMITS CONDITION "DENT IS WITHIN .5" PROXIMITY OF SHEAR TIE. ORIGINAL DISCREPANCY: EXTERNAL SKIN DENTED AT BS 1520, BETWEEN S29R/ 30. TRANSFERRED FROM N/R N00143. STRIPPED PAINT AREA, RE-EVALUATED, DENT FOUND OUT OF LIMITS IAW SRM 53-00-01, P.104, FIG 101, DETAIL 3. PROXIMITY OF DENT IS WITHIN .5" OF SHEAR TIE. DENT MEASURES L=5.7", A=1.344", Y=.042", A/Y=32. REPAIRED AREA, BS 1520, S29R/30, IAW SRM 53-00-01, P 204, TABLE 1 AND 3. CAT. "B" MAJOR REPAIR WITH THE FOLLOWING TRACKING: INITIAL AT 37,500 FC, THEREAFTER EVERY 6,000 FC, USING HFEC.

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