What was found
THRESHOLD WEB FASTENER HOLE CRACKED AT BS295 RBL56 WL208. / REMOVED AND REPLACED THRESHOLD WEB BS291.5 TO BS332.1 RBL56 WL208 PER SRM 51-40-02; SRM 51-40-05; MM 51-21-72; DWG# 141A8310 REV A AND DWG# 140A9810 REV A
- Difficulty date
- February 23, 2021
- Submitted
- March 15, 2021
- Operation
- Air carrier
- Aircraft
- N404WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27892
- Aircraft time
- 67,080 hours, 39,612 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Condition
- Cracked
- Location
- Threshold
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.