SDR UPS404410

Service difficulty report · Stringer · Boeing 747123

Difficulty date: September 14, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N672UP
Make and model: Boeing 747123
Aircraft serial: 20324
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Bs 982
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 AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND STR 67R ON BSTA 982 IS CORRODED. CORROSION IS OUT OF LIMITS ACC SRM 53-10-01, FIG 1, DETAIL 1. REMOVED CORRODED PART AT BSTA 970 AND REPAIRED STRINGER ACC SRM 53-10-03, FIG 1 DETAIL 1. MATERIAL EXISTING STRINGER IS 0.090 INCH 7075T6.