What was found
BS 345-365 RBL 60 HAT CHANNEL UPPER AND LOWER SURFACE CORRODED. HAT CHANNEL WAS FOUND WITH 100% MATERIAL LOSS. REMOVED AND REPLACED HAT CHANNEL IAW SRM 51-40-02 & DWG 141N5160. MAJOR REPAIR.
- Difficulty date
- March 14, 2013
- Submitted
- March 20, 2013
- Operation
- Air carrier
- Aircraft
- N521UA
- Make and model
- Boeing 757222
- Aircraft serial
- 24891
- Aircraft time
- 73,083 hours, 27,199 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Channel
- Part number
- 00000
- Part serial
- 0000
- Condition
- Corroded
- Location
- Bs 345-365
- 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.