What was found
Q6 CHECK - THREE AREAS OF LEVEL 2 EXFOLIATION CORROSION ON Z-ANGLE AT BS 312, BS 328, BS 344, LBL 70. REPLACED Z-ANGLE AT BS 312, BS 328, BS 344, LBL 70 IAW B737-400 SRM 53-10-15-2R AND BOEING DRAWING 65-17688.
- Difficulty date
- December 9, 2011
- Submitted
- January 20, 2012
- Operation
- Air carrier
- Aircraft
- N426US
- Make and model
- Boeing 7374B7
- Aircraft serial
- 24548
- Aircraft time
- 59,768 hours, 40,074 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- 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.