SDR CALA0800447

Service difficulty report · Intercostal · Boeing 737524

Difficulty date: May 12, 2008
Submitted: May 13, 2008
Operation: Air carrier
Aircraft: N17644
Make and model: Boeing 737524
Aircraft serial: 28905
Aircraft time: 28,521 hours, 15,077 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: BAC1505100120
Condition: Cracked
Location: Fuselage
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

INTERCOSTAL UPPER ANGLE HAS CRACK AT NUT PLATE BS 348 - 360 LBL 14". REMOVED DAMAGED INTERCOSTAL UPPER ANGLE IAW B737 SRM 51-40-02 MATERIAL ID FOR ANGLE, BAC1505-100120 EXTRUSION, AND MATERIAL ID FOR SHIM 7075-T6, 0125", PAC 75145Q, IAW EA5310-03585, FABRICATED ANGLE AND SHIM IAW EA3510-03555. ALODINED AND PRIMED ANGLE AND SHIM IAW B737 SRM 51-20-01. INSTALLED ANGLE AND SHIM IAW EA5310-03585.