SDR FDEA200908213067

Service difficulty report · Floorbeam · Boeing 75721B

Difficulty date: August 21, 2009
Submitted: August 24, 2009
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 52,447 hours, 30,243 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 140N27491
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

FWD CARGO FLOOR SUPPORT SPLICES (8 EACH) FOUND CORRODED AT STA 705 LBL 3, 8, 12, 16 AND RBL 3, 8, 12, 16. FLOOR SUPPORT SPLICES FOUND CORRODED BEYOND SRM ALLOWABLE DAMAGE LIMITS. SPLICES 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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