What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FORWARD LAVATORY INBOARD AFT MOUNT INTERCOSTAL, LOCATED FROM BS 294 TO BS 312 AT LBL 12. REPLACED INTERCOSTAL PER AARD 51-00-05-1 AND DWG 141A5600.
- Difficulty date
- September 22, 2022
- Submitted
- October 18, 2022
- Operation
- Air carrier
- Aircraft
- N854NN
- Make and model
- Boeing 737
- Aircraft serial
- 33214
- Aircraft time
- 36,150 hours, 14,992 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A56901
- 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.