SDR ASAA2025082960921

Service difficulty report · Angle · Boeing 737890

Difficulty date: August 29, 2025
Submitted: September 17, 2025
Operation: Air carrier
Aircraft: N538AS
Make and model: Boeing 737890
Aircraft serial: 41188
Aircraft time: 43,142 hours, 12,810 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Part number: 147A750117
Condition: Corroded
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

WHILE GAINING ACCESS FOR REPAIR IN AFT CARGO FOUND AREAS OF CORROSION ON LH TRANSITION FROM FS727 TO FS 849. GROUNDED - YES. REMOVED CORROISON FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 FIG 103 FABBED , LOCATED & DRILLED NEW LH TRANSITION IAW B737-800 SRM 53-00-53-2R-5. W 1, O .040, R .019, L 3, D .021.