What was found
FWD PIT DOOR CUTOUT LOWER SILL WEB HAS CORROSION. DOT: AP377-001. GROUNDED - YES. REMOVED AND REPLACED FWD PIT DOOR CUTOUT LWR SILL WEB IAW B737-900 SRM 51-40-02-0G-0W: 6 O: .045 R: .037 L: 12 D: .008.
- Difficulty date
- December 12, 2021
- Submitted
- December 22, 2021
- Operation
- Air carrier
- Aircraft
- N236AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36351
- Aircraft time
- 19,451 hours, 6,369 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- None
- Part number
- 654A000358
- Condition
- Corroded
- 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.