Service difficulty report · Torque Box · Boeing 7372Q9

Difficulty date
April 14, 2005
Submitted
May 19, 2005
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7372Q9
Aircraft serial
21931
Aircraft time
46,665 hours, 37,160 cycles
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 IN AFT AIR STAIR WELL AT BS 1225. STOP DRILLED CRACK (.250) IAW B727 SRM 51-10-1. FABRICATED DOUBLER 7075-T6, .032 PO NR 209041(5 INCH BY 3 INCH) IAW B727 SRM 53-10-2 FIG 6 AND 51-40-2 FIG 1. TREATED AN PRIMED AREA AND PART IAW B727 SRM 51-10-2. INSTALLED DOUBLER IAW B727 SRM 51-40-2 FIG 1 AND 51-30-2.

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