What was found
INTERCOSTAL AT STA RH 747-767 HAS CORROSION AROUND NUTPLATES GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900 SRM 51-40-02-0G-0 W=1.0" O=.032" R=.025" L=20' D=.007'
- Difficulty date
- April 28, 2021
- Submitted
- May 4, 2021
- Operation
- Air carrier
- Aircraft
- N275AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 61556
- Aircraft time
- 12,985 hours, 4,228 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 146A750512
- Condition
- Corroded
- Location
- Bs 747-767 S27r
- 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.