What was found
BS500B, S21R - S22R TOOLING HOLE CRACKED IN FRAME. CONTACT BOEING ENGINEERING, SDR STILL OPEN
- Difficulty date
- December 24, 2019
- Submitted
- January 8, 2020
- Operation
- Air carrier
- Aircraft
- N401YK
- Make and model
- Boeing 737436
- Aircraft serial
- 25860
- Aircraft time
- 57,186 hours, 36,394 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Cracked
- 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.