SDR 98ZZZM477

Service difficulty report · Stringer · Boeing 747257B

Difficulty date: May 19, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N303TW
Make and model: Boeing 747257B
Aircraft serial: 20116
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Cracked
Location: Bs 1335-1350
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

DURING C-CHECK INSPECTION, DISCOVERED A CRACK IN STRINGER 5R BETWEEN BS 1335 AND 1350.31, RBL 40. REPAIRED BY TRIMMING OUT THE DAMAGED SECTION OF STRINGER, FABRICATING AND INSTALLING A REPLACEMENT SECTION OF STRINGER WITH THREE REPAIR SPLICE STRAPS. REPAIRED IAW EVERGREEN AIR CENTER, ENGINEERING CHANGE/REPAIR AUTHORIZATION NR N303TW-53-013-EAC.