What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT MAIN CABIN INTERCOSTAL LOCATED AT BS 957 AND LBL 47. REPLACED INTERCOSTAL PER AARD 51-00-05-1 AND DWG 147A5650.
- Difficulty date
- January 3, 2023
- Submitted
- January 31, 2023
- Operation
- Air carrier
- Aircraft
- N922AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29523
- Aircraft time
- 66,062 hours, 26,995 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 147A5660Y21
- Condition
- Corroded
- Location
- Zone 200 - Fuse
- 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.