SDR ASAA2018043024403

Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date: April 11, 2018
Submitted: April 30, 2018
Operation: Air carrier
Aircraft: N403AS
Make and model: Boeing 737990ER
Aircraft serial: 41730
Aircraft time: 21,795 hours, 7,166 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 146A750236
Condition: Cracked
Location: Bs 727-727i
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 CARGO BAY RT TRANSITION PANEL HAD TWO CRACKS 2EA PLACES AT BS 727H. ACFT GROUNDED. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED THETRANSITION PANEL IAW EA-20205, REV 00, SRM 51-40-02, DRAWINGS 146A0061, REV A, SHEET 80, AND 146A7500 REV-, SHEETS 205, 208.