Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
October 16, 2018
Submitted
November 1, 2018
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
21,888 hours, 7,230 cycles
Part
Transition Panel
Part number
143A812637
Condition
Corroded
Location
Fuselage
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, RT TRANSITION PANEL FROM BS 508 TO BS 514 HAS CORR. GROUNDED - YES. REMOVED CORROSION ON RT TRANSITION PANEL FROM STA 508 TO STA 514 IAW SRM 51-10-02 ORIGINAL THICKNESS IS .040 REMAINING THICKNESS IS .034, MATERIAL LOSS .006 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED TRANSITION PANEL STA 508 TO STA 514 IAW BAC DWG 143A8126 REV G, BAC DWG 143A8126 REV-, SRM 51-40-05, BAC DWG 143A8126 REV A, SH19 SRM 51-20-01, SOPM 20-41-02, INSTALLED IAW SRM 51-40-02, BAC DWG 143A0080 REV-SH 17.