Service difficulty report · Attach Angle · 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
Attach Angle
Condition
Corroded
Location
Fwd 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 FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT TO FRAME ATTACH ANGLE AT RBL 23 BS 400+19.(MARKED) / [01] THERE IS NO SRM ALLOWABLE DAMAGE FOR FCB FLOOR TO SIDEWALL SUPPORT TO FRAME ATTACH ANGLE. PART TO BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] REMOVED FCB FLOOR TO SIDWALL SUPPORT TO FRAME ATTACH ANGLE AT RBL23 BS 400+19 IAW SRM 51-40-02-0G-0;[03] RECEIVED NEW ATTACH ANGLE <BR>ITEM# : HFAB53-CL-012<BR>PO# : 871963/1<BR><BR>LOCATED; AND DRILLED NEW ATTACH ANGLE MATERIAL USING BAC1503-100593#7075-T73511 LOT# : 1494279-1 IAW SRM 51-40-05-0G-0 AND DWG 143A7500 ID:0018 REV:A;[04] VERIFIED CORRECTIVE ACTION 3;[05] VERIFIED MEASUREMENT TABLE;[06] ACCOMPLISHED BORIC ACID-SULFURIC ANODIZE ON NEW ANGLE (CLIP) ITEM : HFAB53-CL-011 LOT#: 1494790 P/O#: 872132/1 . APPLIED PRIMER IAW AMM 51-21-72-370-804;[07] OK TO INSTALL NEW ANGLE (CLIP);[08] VERIFIED CORRECTIVE ACTION ITEM 6-7; OK TO INSTALL.;[09] INSTALLED NEW ANGLE AT FCB RBL23 BS 400+19 IAW SRM 51-40-02-0G-0 AND DWG:143A7500 ID: 0013 REV:A.;[10] VERIFIED CORRECTIVE ACTION #9

More about the Boeing 737-7Q8