Service difficulty report · Support · Boeing 7377Q8

Difficulty date
June 3, 2022
Submitted
June 30, 2022
Operation
Air carrier
Aircraft
N7850B
Make and model
Boeing 7377Q8
Aircraft serial
28238
Aircraft time
59,194 hours, 39,098 cycles
Part
Support
Condition
Cracked
Location
Aft Cargo
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

CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21 BS 727B+2; BS 727C+6; BS 727C+10; BS 727C+14; BS 727D+7; BS 727D+13; BS 727D+16. / [01] VERIFY APPLICABILITY PER REF SRM 53-00-53-1A-2;[02] PROVIDED PARTIAL UPDATE FOR STEPS 1 - 7.;[03] PARTIAL UPDATE TO STEP TO STEP 8.;[04] REPLACEMENT OF AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT SECTION AT STA 727 - 847; LBL 21. FAULT RESOLVED ON FAULT TTG8Q00CUD69.;[05] VERIFIED CORRECTIVE ACTIONS STEP 4.

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