Service difficulty report · Transition Panel · Boeing 7378H4

Difficulty date
January 21, 2025
Submitted
February 27, 2025
Operation
Air carrier
Aircraft
N8608N
Make and model
Boeing 7378H4
Aircraft serial
36638
Aircraft time
40,188 hours, 19,212 cycles
Part
Transition Panel
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

[DOT: Z042] AFT CARGO FLOOR FROM FWD BULKHEAD TO STA 767; RIGHT TRANSITION PANEL CORRODED NUMEROUS PLACES AS MARKED. <[01] REMOVED CORROSION FROM R/H TRANSITION PANEL AT STA 727-STA767 ORIGINAL MATERIAL THICK .040 IAW BAC 1496-377. MATERIAL LOST FROM SAT 727-STA 727+10 .003 AND REMAINS THICK. .037 FOUND TO BE WITHIN LIMITS. ALODINED AND PRIMED IAW B737-800 SRM 51-20-01. FROM 727E+10-STA 767 MATERIAL LOST .020 AND REMAINING THICK. .020 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 ; REMOVED TRANSITION PANEL FROM STA 727E+10 - STA767 AND REPAIRED IAW B737-800 SRM 53-00-53-2R-REPAIR 5 AND INSTALLED IAW B737-800 SRM 51-40-02 AND VBAC DWG 146A7500 REV:B.[03] VERIFIED REMOVED CORROSION FROM R/H TRANSITION PANEL AT STA 727-STA767 ORIGINAL MATERIAL THICK .040 IAW BAC 1496-377. MATERIAL LOST FROM SAT 727-STA 727+10 .003 AND REMAINS THICK. .037 FOUND TO BE WITHIN LIMITS. ALODINED AND PRIMED IAW B737-800 SRM 51-20-01. FROM 727E+10-STA 767 MATERIAL LOST .020 AND REMAINING THICK. .020 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 ; REMOVED TRANSITION PANEL FROM STA 727E+10 - STA767 AND REPAIRED IAW B737-800 SRM 53-00-53-2R-REPAIR 5 AND INSTALLED IAW B737-800 SRM 51-40-02 AND VBAC DWG 146A7500 REV:B.

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