SDR DALA2015102206361

Service difficulty report · Floor Support · Boeing 7572Q8

Difficulty date: October 21, 2015
Submitted: October 22, 2015
Operation: Air carrier
Aircraft: N393BC
Make and model: Boeing 7572Q8
Aircraft serial: 33960
Aircraft time: 29,601 hours, 17,657 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 360-377
Stage of operation: IN
How discovered: 9
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

CORROSION FOUND ON FLOORBEAM STRUCTURAL SUPPORT IN SEVERAL LOCATIONS BETWEEN BS 360 AND BS 377, BL0. REMOVED CORROSION ON FLOORBEAM STRUCTURAL SUPPORT IN SEVERAL LOCATIONS BETWEEN BS 360 & BS 377, BL 0 IAW SRM 53-00-51. GREATEST MATERIAL LOSS MEASURE 1.0" X 0.8" X .015" & FOUND OUT OF LIMITS ON ORIGINAL MATERIAL THICKNESS OF .063" IAW SRM 53-00-51, DETAIL III. R & R FLOORBEAM STRUCTURAL SUPPORT IAW SRM 51-40-02, PAGE 6-7 & DWG 141N5191.

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