What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON SUB FRAME. LOCATED AT STA 320 ADN BETWEEN STR 22L AND 23L. REMOVED CORRODED SUBFRAME AND REPLACED WITH SUB FRAME PER AARD 51-00-5-1.
- Difficulty date
- November 18, 2022
- Submitted
- December 22, 2022
- Operation
- Air carrier
- Aircraft
- N861NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31109
- Aircraft time
- 35,345 hours, 14,750 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Subframe
- Part number
- 141A118022
- Condition
- Corroded
- Location
- Bs 320 S22-23l
- 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.