SDR FDEA200908203056

Service difficulty report · Intercostal · Boeing 75721B

Difficulty date: August 20, 2009
Submitted: August 20, 2009
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 52,447 hours, 30,243 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 146N54274
Condition: Corroded
Location: Zone 100
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

FROM STA 1360 TO STA 1380, BETWEEN STR 27L AND 28L, FOUND INTERCOSTAL CORRODED. CORROSION ON INTERCOSTAL BETWEEN STA 1360 AND STA 1380 FOUND EXCEEDED SRM ALLOWABLE DAMAGE LIMITS. INTERCOSTAL REMOVED AND REPLACED IAW SRM 51-40-02 REV 97. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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