SDR DJL2007742048

Service difficulty report · Skin · Boeing 727225

Difficulty date: November 15, 2007
Submitted: February 17, 2008
Operation: Air carrier
Aircraft: N742DH
Make and model: Boeing 727225
Aircraft serial: 21290
Aircraft time: 60,719 hours, 38,406 cycles
System (JASC): 5754 · Leading Edge Devices
Part: Skin
Condition: Cracked
Location: Nr 7 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 7 SLAT SKIN CRACKED AT OUTBOARD SLAT HOOK UPPER MOUNT SCREW. C/W HFEC IAW B-727 NDTM PT 6 51-00-00 FIGURE 23. CRACK TERMINATES IN FASTENER HOLE. FABRICATED DOUBLER REPAIR USING 7075-T6 0.125 PO NR 9005685 DIMENSION 7.5" BY 3" IAW B-727 SRM 57-50-3 FIGURE 10 AND 51-30-5. TREATED AND PRIMED DOUBLER IAW B-727 SRM 51-10-2. INSTALLED DOUBLER REPAIR IAW B-727 SRM 57-50-3 FIGURE 10 AND 51-30-2. REMOVED AND REINSTALLED HOOK FOR ACCESS IAW B-727 SRM 51-30-2.