SDR DHL2007749005

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: 60,627 hours, 38,060 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Torque Box
Condition: Cracked
Location: Bs 1233
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

WHILE AT FLIGHTSTAR AIRCRAFT SERVICES FOR A CHECK, REF N/R 099780, DISCREPANCY, RT AIRSTAIR TORQUE BOX CRACKED AT LIGHTNING HOLE ATBS 1233. STOPPED DRILLED HOLE AT THE END OF CRACK WITH .250 IAW SRM 51-10-01, C/W HFEC IAW NDTM PT 6, 51-00-00 FIG 23, CRACK TERMINATED AT STOP DRILL, FAB DOUBLER REPAIR FROM 7075T6 .032 PO 9004042 DIM 5 BY 2.5 IAW SRM 53-10-2 FIG 6. INSTALLED DOUBLER REPAIR IAW SRM 53-10-2 FIG 6.