SDR ASAA2026021464413

Service difficulty report · Baffle · Boeing 737990ER

Difficulty date: February 14, 2026
Submitted: February 20, 2026
Operation: Air carrier
Aircraft: N251AK
Make and model: Boeing 737990ER
Aircraft serial: 62470
Aircraft time: 34,790 hours, 11,280 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Baffle
Part number: 143A751022
Condition: Cracked
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

FWD PIT R/H BAFFLE CORRODED AND HAS ELONGATED HOLE BETWEEN STATIONS 500F AND 500G. GROUNDED - YES. INTERCOSTAL FOUND TO BE CRACKED IAW B737-900 SRM 53-00-53-1A-2. DEEMED TO BE OUT OF LIMITS RH STA 500F - 500G NO CRACKS PERMITTED DETAIL D VIEW A-A. REMOVED DAMAGED BAFFLE IAW B737-900 SRM 51-40-02. LOCATED AND DRILLED NEW BAFFLE ASSY PN 143A7510-22 PO 1141409.1 IAW B737-900 SRM 51-40-05. INSTALLED NEW BAFFLE IAW B737-900 SRM 51-40-02 AND BOEING DWG 143A7505.