Service difficulty report · Support · Boeing 7377Q8

Difficulty date
May 7, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N7875A
Make and model
Boeing 7377Q8
Aircraft serial
29354
Aircraft time
50,797 hours, 27,672 cycles
Part
Support
Condition
Corroded
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 ACB AFT BULKHEAD SUPPORT AT STA 947.5; RBL 14.5; 181.6 AND RBL 17; WL 183. CORRECTION: CORROSION AT STA 947.5; RBL 14.5 WL 181.6 AND RBL 17 RBL 183. / [01] REMOVED CORROSION ON PART L=1.0 W=1.0 D=.011.CHECK LIMITS FOR THIS PART; NO ALLOWABLE LIMITS ON SRM FOR THIS PART; REPAIR PART BY REMPLACEMENT PER SRM 51-10-02 STEP 9;[02] VERIFIED CORRECTIVE ACTION #1.;[03] RECEIVED NEW ACB AFT BULKHEAD TO FLOOR SUPPORT P/N 149A8118U29; LOT 1491326-1; LOCATED AND DRILLED IAW SRM 51-40-05-0G-0 AND DWG #149A8117. OK TO INSTALL;[04] VERIFIED CORRECTIVE ACTION 3. OK TO INSTALL;[05] INSTALLED AT ACB AFT BULKHEAD TO FLOOR SUPPORT; LOCATED AT BS 947; BTW LBL 8.1 AND RBL 20; WL 183 IAW SRM 51-40-02-0G-0 AND DWG 149A8117.;[06] VERIFIED INSTALLATION OF BULKHEAD SUPPORT BS 947 IAW SRM 51-40-02 AND DWG 149A8117;[07] UPDATED PARTS INFO;[08] VERIFIED MEASUREMENT TABLE.;[09] UPDATED MEASUREMENTS TABLE

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