SDR FDEA200907172660

Service difficulty report · Intercostal · Boeing 75721B

Difficulty date: July 17, 2009
Submitted: July 22, 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: 146N54321
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 BS 1500 TO BS 1520, RBL 4, INTERCOSTAL CORRODED. CORROSION ON INTERCOSTA REMOVED AND FOUND OUT OF SRM LIMITS. INTERCOSTAL REMOVED AND REPLACED IAW B757-200 SRM 51-40-02 REV. 97. REPAIR IS CLASSIFIED AS MINOR PER GMM 6-2-100 CRITERIA.

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