What was found
LH 'Z' ANGLE INTERCOSTAL CRACKED AT STA 420- 440 LBL 22 / REMOVED AND REPLACED INTERCOSTAL P/N 143A7810-9 FROM STA 440 TO 460 IAW N737-700 SRM 51-10-02-0G-0 AND DWV 143A7505 REV A ATAGWN 6669
- Difficulty date
- April 26, 2019
- Submitted
- March 8, 2022
- Operation
- Air carrier
- Aircraft
- N731SA
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27863
- Aircraft time
- 69,857 hours, 41,016 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Intercostal
- Part number
- 143A78109
- Condition
- Cracked
- Location
- Fwd Cargo Lh
- 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.