SDR DHL2008765024

Service difficulty report · Skin · Boeing 727264

Difficulty date: January 27, 2008
Submitted: March 23, 2008
Operation: Air carrier
Aircraft: N765AT
Make and model: Boeing 727264
Aircraft serial: 23014
Aircraft time: 55,554 hours, 29,955 cycles
System (JASC): 5754 · Leading Edge Devices
Part: Skin
Condition: Cracked
Location: Nr 4 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

DURING C CHECK, NR 4 SLAT UPPER SKIN CRACKED AT INBOARD HOOK MOUNT SCREW WS 390. STRIPPED AREA IAW B727 MM 51-20-1, C/S HFEC IAW B727 NDTM PT6 51-00-00 FIG 23. CRACKS TERMINATE IN STOP DRILL HOLES. FABRICATED REPAIR PLATE MATERIAL USED 7075-T6 0.125" PO NR 9005685 DIMENSION 3.5" BY 4" IAW B727 SRM 57-50-3 FIG 10. TREATED AND PRIMED AREA AND PART REPAIR IAW B727 SRM 51-10-2. INSTALLED REPAIR PLATE IAW B727 SRM 57-50-3 FIG 3.