What was found
Q5 CHECK - LEVEL 2 EXFOLIATION CORROSION ON FRAME AT BS 747, BETWEEN S27L TO S27R, RBL 4. REPAIRED FRAME AT BS 747, BETWEEN S27L TO S27R, RBL4 IAW B737-400 SRM 53-00-07-2R-4-REPAIR 2.
- Difficulty date
- July 31, 2011
- Submitted
- September 8, 2011
- Operation
- Air carrier
- Aircraft
- N425US
- Make and model
- Boeing 737401
- Aircraft serial
- 23992
- Aircraft time
- 60,222 hours, 40,296 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Part number
- 6546548
- 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.