What was found
CRACKED RIB NR 8 LOCATED STRUCTURE OF DORSAL FIN ACCESS PANEL 321A. REPLACED RIB NR 8 LOCATED STRUCTURE OF DORSAL FIN ACCESS PANEL 321A IAW B737-800 SRM 51-40-020-G-0; DWG 174A1008 SHEET 3 REV- AND DWG 174A0103 SHEET 15 REV-.
- Difficulty date
- March 23, 2026
- Submitted
- April 28, 2026
- Operation
- Air carrier
- Aircraft
- N8640D
- Make and model
- Boeing 7378H4
- Aircraft serial
- 60084
- Aircraft time
- 39,846 hours, 19,310 cycles
- System (JASC)
- 5531 · Vertical Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Zone 300
- 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.