SDR FDEA200906091971

Service difficulty report · Keelbeam · Boeing 75721B

Difficulty date: June 9, 2009
Submitted: June 9, 2009
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 52,447 hours, 30,243 cycles
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
Part number: 144N81402
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

KEELBEAM ATTACHING SPLICE ANGLE HAS CORROSION AT STA 918, RBL 8 INCHES. CORROSION ON SPLICE ANGLE AT STA 918, RBL 8, FOUND EXCEEDED SRM ALLOWABLE DAMAGE LIMITS. SPLICE ANGLE REMOVED AND REPLACED IAW SRM 51-40-02 REV. 97. REPAIR IS CLASSIFIED AS MINOR GMM 6-2-100 CRITERIA.

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