SDR 95ZZZW372

Service difficulty report · Frame · Boeing 7272Q9

Difficulty date: February 20, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N741DH
Make and model: Boeing 7272Q9
Aircraft serial: 21931
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 660
Part time: 32,285 hours
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 D-CHECK, FRAME UPPER FLANGE CRACKED BS 660 ABOVE STRINGER 28R, ALSO GUSSET NOT ATTACHED TO 'Z' ANGLE. STOP DRILLED CRACK PER SRM 51-10-1. FABRICATED DOUBLER 7075-T6 .063 8 INCHES BY 4 INCHES. INSTALLED DOUBLER PER SRM 51-40-2 AND INSTALLED FASTENERS PER SRM 51-30-2. TOTAL CYCLES 29,235.

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