SDR UIEA200600095

Service difficulty report · Bulkhead · Boeing 7472D7B

Difficulty date: May 3, 2006
Submitted: May 25, 2006
Operation: Air carrier
Aircraft: N522MC
Make and model: Boeing 7472D7B
Aircraft serial: 21783
Aircraft time: 94,219 hours, 18,764 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead
Condition: Cracked
Location: Bs 1000
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

LT SIDE BS 1000, BULKHEAD CHORD AREA, CRACK REVEALED AT BULKHEAD CHORD HEEL AREA APPROX, 1-1/4" IN LENGTH, JUST BELOW STR 38L. BS 1000 BULKHEAD CHORD BETWEEN STR 36/37L TO STR 40/41L CHORD SEGMENT REPAIRED AS PER SB 747-53A2474 R1. REPEAT INSPECTION IS REQUIRED AS PER SB 747-53A2471 R1 FIG-1.

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