SDR FDEA201901160153

Service difficulty report · Intercostal · Boeing 7572Q8

Difficulty date: January 16, 2019
Submitted: January 21, 2019
Operation: Air carrier
Aircraft: N993FD
Make and model: Boeing 7572Q8
Aircraft serial: 24965
Aircraft time: 61,259 hours, 23,010 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 146N54255
Condition: Corroded
Location: Fuselage
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

AFT CARGO COMPT. BETWEEN BS.1320 AND BS.1340,AND STR 28L.INTERCOSTAL WEB HAS CORROSION. EVALUATED CORROSION AT AFT CARGO COMPT. BETWEEN BS 1320-1340 AND STR 28L INTERCOSTAL. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A FIG 101 REMOVED, FABRICATED AND INSTALLED INTERCOSTAL IAW SRM 51-40-02-0G, DWG 146N5398 REV. A AND 146N5425 REV F.

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