SDR DHL2007741559

Service difficulty report · Shear Tie · Boeing 7272Q9

Difficulty date: July 26, 2007
Submitted: August 14, 2007
Operation: Air carrier
Aircraft: N741DH
Make and model: Boeing 7272Q9
Aircraft serial: 21931
Aircraft time: 48,407 hours, 38,367 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Shear Tie
Condition: Corroded
Location: Bs 720a
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

CORROSION ON FRAME SHEAR TIE AT BS 720A, BETWEEN STR 27R AND 28R. CORROSION EXCEEDED LIMITS ON SHEAR TIE. REMOVED SHEAR TIE, FABRICATED NEW SHEAR TIE FROM 7075-T6, .050" BY 5.5" BY 3.25", PO NR 9005314, PER B727 SRM 53-10-4 FIG 15 AND 53-10-2 FIG 3. TREATED, PRIMED, AND INSTALLED NEW SHEAR TIE PER B727 SRM 51-10-2 AND 53-10-4 FIG 15.

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