SDR DHL2005740554

Service difficulty report · Torque Box · Boeing 7272Q9

Difficulty date: March 31, 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

CRACK AT INBD WED RT LOWER TORQUE BOX, LOWER LIGHTENING HOLE STA 1240. STOP DRILLED CRACK .250 TERMINATED AT END OF CRACK ON RT LOWER TORQUE BOX WEB STA 1240 IAW B727 SRM 51-10-1 NDT INSP AREA USING HFEC IAW B727 NDTM PAR 6 51-00-00 FIG 23. CRACK TERMINATED IN STOP HOLE. FABRICATED DOUBLER REPAIR MAT USED 7075T6 .032 PO NR 900513 DIM. 3 3/4" BY 3 1/2" IAW B727 SRM 53-1-2 FIG 6 AND 51-40-2 FIG1. ALODINED AND PRIMED IAW B727 SRM 51-10-2. INSTALLED DOUBLER IAW B727 SRM 51-40-2 FIG 1.

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