What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK WAS FOUND AROUND SCREW HOLE OF INTERCOSTAL LOCATED AT STA 325, WATERLINE 0 AND BUTTLNE 32. INSTALLED NEW INTERCOSTAL WITH FAYING SURFACE SEALANT AND WET FASTENERS PER AMM 51-31-00 AND SRM 51-40-02.
- Difficulty date
- July 16, 2021
- Submitted
- July 21, 2021
- Operation
- Air carrier
- Aircraft
- N805NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31075
- Aircraft time
- 36,163 hours, 14,595 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410140
- 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.