SDR DHL2005740501

Service difficulty report · Rib · Boeing 7272Q9

Difficulty date: April 13, 2005
Submitted: May 6, 2005
Operation: Air carrier
Aircraft: N740DH
Make and model: Boeing 7272Q9
Aircraft serial: 21930
Aircraft time: 46,106 hours, 37,206 cycles
System (JASC): 5754 · Leading Edge Devices
Part: Rib
Condition: Cracked
Location: Nr 5 Slat
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

NR 5 SLAT INTERIOR AT ACTUATOR ATTACHMENT INBD AND OUTBD RIBS CRACKED NDT CONFIRMED. REMOVED AND REINSTALLED NR 5 SLAT PER 727 MM 27-81-11. OPS CHECKED OK IAW B727 MM 27-81-00. FAB Z NEW RIBS FROM 2024T3 .0140 PO NR 9002012 SIZE 15 1/8" BY 5 1/8" IAW B727 SRM 51-20-1 AND 57-50-2 FIG 2. TREATED AND PRIMED PARTS AND AREA IAW B727 SRM 51-10-2. REMOVED AND REPLACED RIBS AT NR 5 SLAT ACTUATOR ATTACHMENT I/B AND O/B RIBS IAW B727 SRM 51-30-2.

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