Service difficulty report · Attach Angle · Boeing 747200

Difficulty date
May 14, 2006
Submitted
May 30, 2006
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
77,205 hours, 18,330 cycles
Part
Attach Angle
Part number
65B90366600
Condition
Cracked
Location
Nr 4 Pylon
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

INSPECTION TYPE:C NR 4 PYLON NAC STA 221.9 REAR ENG MOUNT B/H UPPER OF MID SPAR WEB ATT T-ANGLE FOUND CRACKED JUST AT O/B SIDE. CRACK LENGTH 1.75 INCH. NR 4 PYLON NAC STA 221.9 REAR ENG MOUNT B/H UPPER OF MID SPAR WEB ATT T-ANGLE REPAIRED AS PER SRM 51-40-04 FIG 1.

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