SDR ASAA2015110913816

Service difficulty report · Transition Panel · Boeing 737890

Difficulty date: November 9, 2015
Submitted: November 19, 2015
Operation: Air carrier
Aircraft: N551AS
Make and model: Boeing 737890
Aircraft serial: 34593
Aircraft time: 37,329 hours, 12,084 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 146A81271
Condition: Corroded
Location: Bs 767-797
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

RIGHT TRANSTION PANEL CORRODED FROM BS 767-797. ACFT GROUNDED. REMOVED CORROSION ON SHIELD FROM RBL 21 IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS 0.050" MATERIAL REMAINING 0.044, MATERIAL LOSS 0.006, DAMAGE OUT OF LIMITS IAW SRM 53-00-53-1A-2, FIG 103. REMOVED SHIELD IAW SRM 51-40-02. LOCATED AND DRILLED NEW SHIELD IAW SRM 51-40-05. ALODINED AND PRIMED NEW SHIELD FASTENER HOLES IAW SRM 51-20-01. INSTALLED NEW SHIELD PN 146A8127U12 AND PO 852984.1 IAW SRM 51-40-02 AND DWG 146A0081, REV A. REMOVED DOT.