SDR FDEA201808232172

Service difficulty report · Floor Support · Boeing 7572B7

Difficulty date: August 23, 2018
Submitted: August 23, 2018
Operation: Air carrier
Aircraft: N903FD
Make and model: Boeing 7572B7
Aircraft serial: 27124
Aircraft time: 55,781 hours, 25,348 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N5323U5
Condition: Corroded
Location: Bs 1661-1682
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORRODED INTERCOSTAL BS 1661 - 1682, BL 0 IN THE AFT MAIN CARGO DECK. THE CORROSION WAS REMOVED AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04-1A, ALLOWABLE DAMAGE 101, DETAIL II, REV 124. REPLACED THE INTERCOSTAL IAW SRM 51-40-02, REV 124.

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