What was found
AFT CARGO L/H TRANSITION PANEL HAS MULTIPLE AREAS OF CORROSION BETWEEN STA 727+4 TO STA 727J GROUNDED - YES. REPAIRED TRANSITION PANEL STA 727+4 TO STA 727J IAW B737-900ER SRM 53-00-53-2R-5 PARA 4 W=1" O=.040" R=.020" L=8" D=.020"
- Difficulty date
- March 11, 2021
- Submitted
- March 29, 2021
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 21,284 hours, 6,853 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Channel
- Part number
- 146A7502
- Condition
- Corroded
- Location
- Bs 727
- 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.