SDR UPS97224807

Service difficulty report · Intercostal · Boeing 72751C

Difficulty date: October 9, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N903UP
Make and model: Boeing 72751C
Aircraft serial: 18945
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 970-990
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:SI CORROSION (C53-113-01.00-02) UNDER NUT PLATES ON INTERCOSTAL STA 970-990 LBL 23 WL 145. FOUND CORROSION TO BE OUT OF LIMITS PER SRM 51-10-1. REMOVED AND REPLACED INTERCOSTAL PER SRM 51-10-1, 51-20-1, 51-10-2, 51-30-2 AND MM 51-20-151.

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