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SDR ASAA2023081944980

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Service difficulty report · Transition Panel · Boeing 737890

FAA SDR system

Difficulty date
August 19, 2023
Submitted
September 8, 2023
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
40,626 hours, 11,918 cycles
System (JASC)
5320 · Fuselage Miscellaneous Structure
Part
Transition Panel
Part number
146A750233
Part serial
UNK
Condition
Corroded
Location
Unknown
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 STA 727E+18 TO 727I+10 IS CORRODED. GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PNL FROM ST 727E+18 TO 727I+10 ORIGINAL MATERIAL THICKNESS .040 PER BOEING PROFILE DWG BAC 1496-377 REMOVED .018 MATERIAL REMAINING .022 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. FABD NEW 2EA CHANNEL SPLICE IAW B737-800 SRM 53-00-53-2R-5.4.E TO H. ALODINED AND PRIMED REPAIR PART IAW B737-800 SRM 53-00-53-2R-5.I TO J AND INSTALLED NEW 2EA CHANNEL AND SPLICE IAW 53-00-53-2R-5.L.