What was found
STIFFENER CRACKED BS639-BS663 RBL63 WL203 LOCATED AND DRILLED NEW STIFFENER AT BS 639- BS663 RBL 69.5 WL 204 IAW SRM 51-40-05-0G-0 BOEING DWGS 144A7312 REV A 144A7301 REV:-.
- Difficulty date
- August 7, 2026
- Submitted
- September 11, 2026
- Operation
- Air carrier
- Aircraft
- N931WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36637
- Aircraft time
- 56,214 hours, 34,452 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Condition
- Cracked
- Location
- Zone 200
- 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.