What was found
Q4 CHECK - LEVEL 2 INTERGRANULAR CORROSION ON TRANSITION ANGLE BETWEEN BS 727E + 6 INCHES TO BS 767, RBL 21. REPLACED TRANSITION ANGLE BETWEEN BS 727E + 6 INCHES TO BS 767, RBL 21 IAW B737-400 SRM 53-60-53.
- Difficulty date
- June 13, 2012
- Submitted
- June 14, 2012
- Operation
- Air carrier
- Aircraft
- N424US
- Make and model
- Boeing 737401
- Aircraft serial
- 23991
- Aircraft time
- 62,000 hours, 40,830 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Attach Angle
- 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.