What was found
AIRCRAFT IN BASE MAINTENANCE: WING CENTER SECTION KEEL BEAM VERTICAL PRESSURE DECK WEB LEFT BUTT LINE 40 TO LEFT BUTT LINE 45.64 HAS CRACK. LEFT PRESSURE DECK WEB REPAIR PER SRM 57-10-10-2R-3.
- Difficulty date
- March 31, 2021
- Submitted
- April 6, 2021
- Operation
- Air carrier
- Aircraft
- N831NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33211
- Aircraft time
- 32,884 hours, 13,491 cycles
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Pressure Deck
- Condition
- Cracked
- Location
- Zone 100
- 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.