SDR UIEA00048

Service difficulty report · Stiffener · Boeing 74747UF

Difficulty date
October 20, 2000
Submitted
December 15, 2000
Operation
Air carrier
Aircraft
N412MC
Make and model
Boeing 74747UF
Aircraft serial
30559
Part
Stiffener
Condition
Cracked
Location
Fuselage
Part time
2,196 hours
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

AFTER UNLOADING CARGO, FOUND IN AFT CARGO COMPARTMENT, FORWARD BULKHEAD DAMAGE AT STATION 1480, RIGHT BL 50. DAMAGE WAS CONFINED TO THE AFT VERTICAL FLANGE OF THE HORIZONTAL STIFFENER AT WATER LINE 134.97 AND CRACKING ON STIFFENER AT WL 146.71 IN THE RADIUS APPROX 6 INCHES IN LENGTH. PERFORMED DETAIL INSPECTION OF STATON 1480 BULKHEAD FOR DENTS, BUCKLING BROKEN FASTENERS AND CRACKS OF CLIPS, ANGLES FITTINGS ETC. DAMAGE WAS CONFINED TO THE TWO ABOVE MENTIONED STRUCTURAL ELEMENTS. REPAIRS WERE EMBODIED IAW ATLAS EO 4453A007 AND SRM 51-70-12. REF BOEING TELEXES TLS-JFK-00-00539H, TLS-JFK-00-00541H, BOEING TELCON BOE-JFK/DI NR 10/18/2000. (M)

More about the Boeing 747-47UF