SDR AMTA200501173

Service difficulty report · Intercostal · Boeing 75723N

Difficulty date: December 17, 2005
Submitted: January 6, 2006
Operation: Air carrier
Aircraft: N517AT
Make and model: Boeing 75723N
Aircraft serial: 27973
Engine: Rroyce RB211535E4
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1661-1681
Stage of operation: IN
How discovered: V
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

CORROSION ON UPPER SURFACE OF INTERCOSTAL AROUND FASTENER HOLES AT THE R-4 DOOR SILL STA 1681 TO 1661. REMOVED CORROSION FROM INTERCOSTAL AT R-4 DOOR SILL IAW SRM 51-20-01, ORIG THICKNESS .071 INCH, REMAINING .041 INCHES OUT OF LIMITS IAW SRM; REMOVED AND REPLACED INTERCOSTAL IAW SRM AT STA 1661-1681. (K)

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