What was found
BS 1180, LEFT FRAME DOUBLER CRACK AT TENSION TIE. REMOVED DOUBLER. HFEC INSTALLED NEW DOUBLER IAW SRM 51-40-02. MAJOR REPAIR
- Difficulty date
- July 28, 2013
- Submitted
- July 31, 2013
- Operation
- Air carrier
- Aircraft
- N179UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25158
- Aircraft time
- 92,211 hours, 11,058 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Doubler
- Condition
- Cracked
- Location
- Bs 1180
- 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.