Service difficulty report · Skin · Boeing 7572B7

Difficulty date
July 18, 2007
Submitted
July 18, 2007
Operation
Air carrier
Aircraft
N901FD
Make and model
Boeing 7572B7
Aircraft serial
27122
Aircraft time
46,553 hours, 19,092 cycles
Part
Skin
Part number
146N3531
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
9
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

BULK CARGO - BILGE AREA, BS 1580, BETWEEN S27R AND 28R, SHEAR TIE AND SKIN EXFOLIATED. REMOVED AND REPLACED SHEAR TIE AS IT HAD 100 PERCENT MATERIAL LOSS IAW SRM 51-40-02. SHEAR TIE WAS FABRICATED ON MAE TRAVELER T7/689492 IAW SRM 51-10-01. REMOVED CORROSION FROM SKIN IAW SRM 53- 00-01. ORIGINAL MATERIAL THICKNESS 0.053, AFTER REWORK, 0.037. FOUND TO BE OUT OF LIMITS PER SRM 53- 00- 01, FIG 101. CUT OUT DAMAGED AREA AT STATION 1580 IAW SRM 53-00-01, FIG.201. FABRICATED REPAIR DOUBLER FROM 2024 T3, 0.063, BATCH NR 1271859, IAW SRM 53-00-01, FIG 201 OF REPAIR NR 16.

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