Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
May 18, 2022
Submitted
June 6, 2022
Operation
Air carrier
Aircraft
N8692F
Make and model
Boeing 7378H4
Aircraft serial
33942
Aircraft time
19,837 hours, 9,331 cycles
Part
Intercostal
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
9
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 INTERCOSTAL ANGLE BELOW SHIELD HAS CORROSION BS 767+10 RBL 23 WL 157 / [01] EVALUATED CORROSION ON ANGLE BS 767+10 RBL 23 WL 157; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0;[02] VERIFIED CORRECTIVE ACTIONS STEP 1.;[03] REMOVED AFT CARGO BAY ANGLE BELOW SHIELD BS767 TO BS787 RBL23 WL157; PER SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW AFT CARGO BAY INTERCOSTAL ANGLE BS 767 - BS 787 RBL 23 WL 157 IAW SRM 51-40-05-0G-0 AND DWG 146A8123; OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 4; OK TO INSTALL;[06] INSTALLED NEW AFT CARGO BAY INTERCOSTAL ANGLE BS 767 - BS 787 RBL 23 WL 157 IAW SRM 51-40-02-0G-0 AND DWG 146A8123;

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