SDR IPXA11B65601

Service difficulty report · Panel · Boeing 7474R7F

Difficulty date: March 4, 2011
Submitted: March 23, 2011
Operation: Air carrier
Aircraft: N583UP
Make and model: Boeing 7474R7F
Aircraft time: 90,628 hours, 15,846 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Panel
Condition: Cracked
Location: Bs 2231
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

INSPECTION TYPE:C, LT BS 2231 BETWEEN STR 21 TO 22 CRACK FOUND AT THE REVEAL PANEL DOUBLER & REVEAL PANEL (OUTER LAYER) FROM THE FASTENER HOLE RUNNING FWD & AFT BS 2231 BTN STR 21-22L REVEAL PANEL DOUBLER & REVEAL PNL REPAIRED IAW RS R53-00-36952 & B747-5310-41922. 3" CRACK IN LENGTH & CRACK STOP AT EXISTING HOLE. THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH MATL CLAD2024T3-0050" AS REPAIR DOUBLER. REPAIR SIZE IS 5.625" X 10.25"

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