SDR USAA951187

Service difficulty report · Intercostal · Boeing 737401

Difficulty date: November 3, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N417US
Make and model: Boeing 737401
Aircraft serial: 23984
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 65C333701
Condition: Corrosion
Location: Bs 947-967
Part time: 19,934 hours
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

INT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND 2 INCH BY 8 INCH CORRODED AREA, ON INTERCOSTAL AT 25, BETWEEN BS 947 AND BS 967, WL 208. REMOVED CORRODED INTERCOSTAL, DRILLED UP AND INSTALLED NEW INTERCOSTAL FROM STOCK P/N 65C333701. REPAIRED PER SRM 51-10-02. CORROSION TASK NR C53-107-02, CORROSION LEVEL 2. (M)