SDR UIEA01080

Service difficulty report · Web · Boeing 7472D3B

Difficulty date: July 25, 2001
Submitted: August 24, 2001
Operation: Air carrier
Aircraft: N506MC
Make and model: Boeing 7472D3B
Aircraft serial: 21252
System (JASC): 5300 · Fuselage Structure (General)
Part: Web
Part number: 65B01718519
Condition: Cracked
Location: Bs 500
Stage of operation: IN
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

DURING INSPECTION FOUND FRAME WEB CRACKED AT BS 500, STRINGER 9L AND STRINGER 8 TO 10AR. STOP DRILLED ALL CRACKS. FABRICATED REPLACEMENT DOUBLERS. INSTALLED DOUBLER AT STRINGER 9L LOCATION AND AT STRINGER 8 TO 10AR LOCATION PER STANDARD PRACTICES OF THE SRM. CONTINUE CURRENT INSPECTION REQUIREMETNS PER SB 747-53A2265 UNTIL SB 53-2272 IS COMPLETED AT OR BEFORE 20,000 CYCLES. (M)

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