Service difficulty report · Transition Panel · Boeing 737990ER
FAA SDR system
- Difficulty date
- April 21, 2026
- Submitted
- May 21, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 38,179 hours, 11,725 cycles
- Part
- Transition Panel
- Part number
- 146A750236
- Condition
- Corroded
- Location
- Zone 100
- 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.
What was found
AFT CARGO BAY, RH SIDEPLATE TRANSITION PANEL HAD SPOTS OF CORROSION BS 727C - 767. GROUNDED - YES. REMOVED AND REPLACED R/H SIDEPLATE TRANSTION PANEL USING SLPICE FROM BS 727+4 - 767 IAW SRM 53-0053-2R-5, REPAIR 5. W=.800" O=.040 R=.031 L=26" D=.009.