SDR AWXA200600649

Service difficulty report · Intercostal · Boeing 757225

Difficulty date: February 1, 2006
Submitted: April 12, 2006
Operation: Air carrier
Aircraft: N913AW
Make and model: Boeing 757225
Aircraft serial: 22207
Aircraft time: 68,430 hours, 29,193 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1620-1640
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

SAL - DURING C11 CHECK DISCOVERED CORROSION, LEVEL 2, ON WEB LOWER SURFACE BETWEEN BL 10.45L AND 11.40L BS 1639 AFT CARGO COMPARTMENT. MAINTENANCE REMOVED CORROSION AT BS 1639 BETWEEN BL 10.45L AND BL 11.40L IAW BOEING SRM 51-10-02-OG. CORROSION FOUND OUT OF SRM LIMITS. FABRICATED INTERCOSTAL IAW BOEING 757-200 SRM 53-60-04 01. INSTALLED FABRICATED INTERCOSTAL WEB FROM BS 1620 TO BS 1640 AND BETWEEN BL 10.45L AND BL 11.40L IAW BOEING 757-200 SRM 51-10-02 AND SRM 51-40-02.