What was found
BS 1920 LOWER LOBE FRAME IN AREA OF RBL 20 TEE EXTRUSION CORRODED. REPAIRED IAW ECRA 5320-02113. RII INSP ACP. CATEGORY 'A' REPAIR.
- Difficulty date
- December 5, 2012
- Submitted
- December 17, 2012
- Operation
- Air carrier
- Aircraft
- N180UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25224
- Aircraft time
- 89,976 hours, 10,739 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Corroded
- 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.