SDR DALA2015063004000

Service difficulty report · Intercostal · Boeing 7572Q8

Difficulty date: June 28, 2015
Submitted: June 30, 2015
Operation: Air carrier
Aircraft: N823DX
Make and model: Boeing 7572Q8
Aircraft serial: 33967
Aircraft time: 25,839 hours, 15,429 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1480-1500
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

UPON REMOVAL OF LT TRANSITION PANEL IN AFT CARGO ON NR 100-200 FOUND INTERCOSTAL UPPER ANGLE WITH CORROSION BETWEEN BS 1480-1500 ABOVE STR 26L. REMOVED CORROSION INTERCOSTAL UPPER ANGLE BETWEEN STA 1480-1500, STR 26L IAW SRM 53-00-04, FIG 101. MATERIAL ORIGINAL THICKNESS .050 MATERIAL LOSS .020 FOUND OUT OF LIMITS IAW SRM 53-00-04, FIG 101: DETAIL II REMOVED AND FABRICATED REPLACED "L" ANGLE INTERCOSTAL UPPER BETWEEN STA. 1480-1500, STR 26L IAW DWG 146N5340.

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