SDR ASAA2024052450421

Service difficulty report · Transition Panel · Boeing 737890

Difficulty date: May 24, 2024
Submitted: June 21, 2024
Operation: Air carrier
Aircraft: N506AS
Make and model: Boeing 737890
Aircraft serial: 35690
Aircraft time: 57,193 hours, 17,458 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 146A750233
Condition: Corroded
Location: Bs 727-727f
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 PIT L/H TRANSITION PANEL CORROSION BETWEEN STA 727 AND 727F+11 GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H TRANSITION PANEL AT STA 727 TO 727 F+11 IAW B737-800 SRM 53-00-53-1A-2-0, 100% MATERIAL LOSS, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2, 4.A. REPAIRED L/H TRANSITION PANEL AT STA 727 TO STA 727 F+11, USING MATERIAL 1496-377, 7075T62 IAW B737-800 SRM 53-00-53-2R-5.