SDR DHL2005740536

Service difficulty report · Torque Box · Boeing 7272Q9

Difficulty date: March 28, 2005
Submitted: May 22, 2005
Operation: Air carrier
Aircraft: N740DH
Make and model: Boeing 7272Q9
Aircraft serial: 21930
Aircraft time: 46,106 hours, 37,206 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Torque Box
Condition: Cracked
Location: Fuselage
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

RT LOWER TORQUE BOX CRACKED AT STA 1223. STOP DRILLED CRACK .250 TERMINATED AT END OF CRACK ON RT LOWER TORQUE BOX STA 1223 IAW B727 SRM 51-10-1, HFEC INSP PER NDT PT.6 51-00-00 FIG 23. CRACK ENDS IN STOP HOLE. FABRICATED DOUBLER REPAIR IAW B727 SRM 53-10-2 FIG 6 FROM 7075T6 .032 PO NR 900573 DIM 4 1/2"BY 3" IAW B727 SRM 51-40-2 FIG 1. ALODINED AND PRIMED PARTS IAW B727 SRM 51-10-2. INSTALLED DOUBLER REPAIR IAW B727 SRM 51-40-2 FIG 1.

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