Service difficulty report · Frame · Boeing 747212B

Difficulty date
February 11, 2004
Submitted
March 1, 2004
Operation
Air carrier
Aircraft
N526UP
Make and model
Boeing 747212B
Aircraft serial
21937
Aircraft time
83,180 hours, 15,676 cycles
Part
Frame
Condition
Cracked
Location
Nr 3 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 3 PYLON REAR MOUNT BULKHEAD FOUND CRACKS AT O/B FWD AND AFT FRAME WEB. FRAME WEB ATTACH PARTS REINSTALLED PER BS 54-53-34870 AND CONTINUE REPEAT INSPECTION PER RS OR UPS EO SINCE NO FURTHER CRACK PROPAGATION AFTER REPAIR PARTS REMOVED.

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