SDR DHL2007749006

Service difficulty report · Torque Box · Boeing 727223

Difficulty date: September 24, 2007
Submitted: September 24, 2007
Operation: Air carrier
Aircraft: N749DH
Make and model: Boeing 727223
Aircraft serial: 22013
Aircraft time: 22,013 hours, 30,860 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Torque Box
Condition: Cracked
Location: Bs 1228
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 "A" CHECK, REF N/R 099779 , DISCREPANCY, RT AIRSTAIR TORQUE BOX CRACKED AT LIGHTING HOLE BS 1228. STOP DRILLED AT THE END OF CRACK WITH .250" IAW B727 SRM 51-10-01. C/W HFEC IAW B727 NDTM, PT 6 51-00-00, FIG 23, CRACK TERMINATE IN STOP DRILL HOLE. FAB DOUBLER REPAIR FROM 7075-T6 .032" PO NR 9004042 DIM 5 3/8" BY 2 1/2" IAW SRM 53-10-2 FIG 6. TREATED AND PRIMED DOUBLER IAW B727 SRM 51-10-2. INSTALLED DOUBLER REPAIR IAW B727 SRM 53-10-2 FIG 6.