What was found
(LOG 1291270) DRAIN TUBE INTERCOSTAL BETWEEN STA 947 AND STA 967 AT LBL 50 HAS CORROSION. REMOVED AND REPLACED INTERCOSTAL BET STA 947 AND 967 AT LBL50 IAW B737-900 SRM 51-40-02.
- Difficulty date
- November 6, 2025
- Submitted
- November 7, 2025
- Operation
- Air carrier
- Aircraft
- N877DN
- Make and model
- Boeing 737932ER
- Aircraft serial
- 31988
- Aircraft time
- 25,799 hours, 9,855 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Condition
- Corroded
- Location
- Zone 200
- 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.