SDR UPS96405704

Service difficulty report · Angle · Boeing 747121

Difficulty date: March 6, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N681UP
Make and model: Boeing 747121
Aircraft serial: 19661
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Condition: Cracked
Location: Bs 2200
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

WHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED AREA AFT OF BULK CARGO COMP, CRACKS WERE FOUND IN INNER ANGLE OF FRAME UPPER FLANGE, DUE TO CORROSION AT BS 2200, NEAR S-36 RT. REPLACED INNER ANGLE OF FRAME UPPER FLANGE AS PER SRM 51-30-02.