What was found
BS 140 TO 160 & RBL 10 TO RBL 50 CRACKS WERE FOUND ON THE WEB, P/N 65B01870-60 OF FLOOR TO SKIN SHEAR TIE INSTALLATION 65B01870-231. REPAIRS ACP IAW ECRA 5320-02104.
- Difficulty date
- October 29, 2012
- Submitted
- November 21, 2012
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 91,838 hours, 11,151 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 65B0187060
- 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.