Service difficulty report · Frame · Boeing 747123

Difficulty date
February 4, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N671UP
Make and model
Boeing 747123
Aircraft serial
20323
Part
Frame
Condition
Cracked
Location
Bs 1900
Stage of operation
IN
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. FOUND CRACK IN FRAME WEB AND FRAME-INNER FLANGE AT BS.1900, BETWEEN S41/42 LT. REMOVED FRAME SECTION BETWEEN INITIAL SPLICES AT S34 AND 43L. FOUND MORE CRACKS IN FRAME AFTER REMOVING. (NO INSP. AREA). INSTALLED NEW FRAME SECTION ACCORDING TO SRM.51-30-02/05.