Service difficulty report · Strap · Boeing 7377H4

Difficulty date
June 2, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
51,370 hours, 30,880 cycles
Part
Strap
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 PASSENGER CABIN FLOOR STRAP AT BS 1016+12; RBL 18; WL 208.<[01] NO ALLOWABLE LIMITS FOUND; REMOVE AND REPLACE THE PART IS APPLICABLE I.A.W SRM 51-10-02-0G-0 PAR 9.C;[02] VERIFIED CORRECTION ACTION ITEM 1; AND MEASUREMENT TABLE; DAMAGE OUT OF LIMITS.;[03] REMOVED; DISCHARGED AND FABRICATED; LOCATED; DRILLED; APPLIED CHEMICAL CONVERSION COAT AND PRIMED NEW FLOOR STRAP AT BS1016-BS1028; RBL 18; WL 208 FROM 7075-T6 0.050'C LOT # 1505777-1 I.A.W SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 51-10-02-0G-0 AND BOEING DWGS 147A5744;147A5730.OK TO INSTALL;[04] VERIFIED CORRECTION ACTION ITEM 3; OK TO INSTALL GIVEN.;[05] OK TO INSTALL FLOOR STRAP;[06] OK TO INSTALL;[07] INSTALLED CABIN FLOOR STRAP BS 1016 TO 1028; RBL 18; WL 208 PER SRM 51-40-02-0G-0 AND DWG 143A5730.;[08] VERIFIED CORRECTIVE ACTION 7;[09] CARD COMPLETED.;[10] VERIFIED CORRECTIVE ACTION ITEM 9 AND MEASUREMENT FIELDS; CARD COMPLETE.

More about the Boeing 737-7H4