What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK FOUND IN LEFT HAND TRANSITION PANEL AT BS 747. INSTALLED NEW TRANSITION PANEL. PER AARD 51-00-05-1,IPC 53-42-11-26A, AND BOEING DRAWING 146A7502.
- Difficulty date
- December 25, 2025
- Submitted
- January 7, 2026
- Operation
- Air carrier
- Aircraft
- N948NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31189
- Aircraft time
- 34,303 hours, 14,200 cycles
- System (JASC)
- 5340 · Fuselage Main, Attach Fittings
- Part
- Transition Panel
- Part number
- 146A7502
- Condition
- Cracked
- 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.