SDR FDEA200910203615

Service difficulty report · Floor Support · Boeing 7572B7

Difficulty date: October 20, 2009
Submitted: October 20, 2009
Operation: Air carrier
Aircraft: N907FD
Make and model: Boeing 7572B7
Aircraft serial: 27198
Aircraft time: 52,273 hours, 21,563 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 143N832854
Condition: Corroded
Location: Bs 680-740
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

MAIN DECK FLOOR SUPPORT STA 680-740 AND RBL 65 HAS SEVERAL AREAS OF CORROSION REMOVED CORRISION INBD CHORD STA 680-740, RBL 65 IAW SRM 53-30-13. MAT THICKNESS .190", MAT REMOVED .100", MAT REMAINING .090". FOUND OUT OF LIMITS IAW SRM 53-30-13, PG 102, FIG 101. REMOVED AND REPLACE INBD CHORD ( PN 143N8328-54 BATCH NUMBER 1693914 "ON") FROM STA 680-740 AND RBL 65, WL 208 IAW SRM 51-40-02.

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