What was found
AFT CARGO BAY, LT SIDEPLATE TRANSITION PANEL HAD SPOTS OF CORROSION BS 727+4 - 727K. GROUNDED - YES. REMOVED AND REPLACED THE AFT CARGO LT SIDEPLATE TRANSITION PANEL USING SPLICE REPAIR FROM BS 727A+4 - 847 IAW SRM 53-00-53-2R-5.
- Difficulty date
- April 21, 2026
- Submitted
- May 21, 2026
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 38,179 hours, 11,725 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Transition Panel
- Part number
- 146A750236
- Condition
- Corroded
- Location
- Zone 100
- 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.