What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION OF Z-CHANNEL BETWEEN STA 991 AND STA 993 AT RBL 32, MEASURING L=0.05 IN, W=1.0 IN, D=0.16 IN. REPLACED Z-CHANNEL WITH NEW IAW AARD 51-00-05-1.
- Difficulty date
- March 24, 2021
- Submitted
- April 16, 2021
- Operation
- Air carrier
- Aircraft
- N979AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29568
- Aircraft time
- 35,612 hours, 14,399 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Channel
- Part number
- 147A571017
- Condition
- Corroded
- Location
- Bs 991-993
- 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.