SDR DHL2007741538

Service difficulty report · Frame · Boeing 7272Q9

Difficulty date: July 26, 2007
Submitted: August 10, 2007
Operation: Air carrier
Aircraft: N741DH
Make and model: Boeing 7272Q9
Aircraft serial: 21931
Aircraft time: 48,407 hours, 38,367 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Corroded
Location: Bs 420
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

BS 420, CORROSION NOTED SURROUNDING THE AFT E-BAY DOOR LOCKING PIN FITTING ON FRAME. REMOVED FRAME SECTION, FABRICATED FRAME FROM 7075-T0, .063" BY 7" BY 24", PO NR 9005314, PER B727 SRM 53-10-2 FIG 5 AND 51-20-1 FIG 3. HEAT TREATED MAT TO T6 CONDITION PER FASI ER NR 2-37153-801 REV A. TREATED, PRIMED, AND INSTALLED NEW FRAME PER B727 SRM 51-10-2, 51-30-5, AND 51-30-2.

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