Service difficulty report · Floor Support · Boeing 737990ER
FAA SDR system
- Difficulty date
- September 27, 2023
- Submitted
- October 12, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 35,649 hours, 11,031 cycles
- Part
- Floor Support
- Part number
- 141A8110
- Part serial
- NSN
- Condition
- Corroded
- Location
- Unknown
- 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
CORROSION AT L-1 DOOR INBD FLOOR SUPPORT (CIRCLED IN RED). GROUNDED - YES. REMOVED CORROSION. ORIGINAL THICKNESS 0.090 IAW B737-900ER SRM 53-10-15-0I-1. REMAINING THICKNESS AT BLEND 0.082, REMOVED 0.008 WITHIN ALLOWABLE LIMITS IAW B737-900ER SRM 53-10-15-1A-1 ALODINED IAW B737-900ER SRM 51-20-01. PRIMED IAW BOEING SOPM 20-41-02. MARKED BLEND AREA IAW B737-900 AMM PGBLK 51-0501-701.