- Difficulty date
- November 28, 2017
- Submitted
- December 11, 2017
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 34595
- Aircraft time
- 44,153 hours, 14,778 cycles
- Part
- Intercostal
- Part number
- 147A566021
- Condition
- Corroded
- Location
- Bs 947-967
- 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 CABIN FLOOR INTERCOSTAL STA301 947.5-967 LBL 51 HAS CORROSION. GROUNDED - YES. BLENDED CORROSION ORIGINAL THICKNESS .080, MATERIAL REMAINING .053, REMOVED .027. OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED AND REPLACED INTERCOSTAL P/N 147A5660-21 IAW BAC DWG 147A5650 REV A AND B737-800 SRM 51-40-02 DOT REMOVED.