What was found
WHILE IN FOR C-CHECK, MAINT FOUND CRACK IN LIGHTENING HOLE IN LWR TORQUE BOX, AT BS 1233 LBL 21 WL 171. STOP DRILLED CRACK, NDI VERIFIED CONTAINMENT, FABED AND INSTALLED DOUBLER REPAIR IAW SRM 51-40-2.
- Difficulty date
- August 4, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N939UP
- Make and model
- Boeing 72727C
- Aircraft serial
- 19532
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Lwr Torque Box
- Part number
- 7075T60032
- Condition
- Cracked
- Location
- Bs 1233
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.