Service difficulty report · Web · Boeing 7377H4

Difficulty date
July 25, 2023
Submitted
August 22, 2023
Operation
Air carrier
Aircraft
N292WN
Make and model
Boeing 7377H4
Aircraft serial
32538
Aircraft time
51,861 hours, 31,244 cycles
Part
Web
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 L/H AFT SHEAR WEB BS 1027 LBL 18 AND 25 WL 208.<[01] UPDATED PARTIAL STEPS 1-3;[02] UPDATED STEP 4 PARTIAL;[03] PARTIAL STEP 2;[04] REMOVED AND REPLACED L/H AFT SHEAR WEB B/S 1016 TO B/S 1021.57+5' BTE BL 0 TO LBL 40. DUE TO NOT FOUND ALLOWABLE DAMAGE LIMITS ON SRM ; IAW SRM 51-40-02 AND DWG 147A5600 REV: B;[05] VERIFIED CORRECTIVE ACTION STEP 4.;[06] VERIFIED CORRECTIVE ACTION #4;[07] FILLED MEASUREMENTS PARAMETERS;[08] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 7 AND MEASUREMENT TABLE.;[09] WORK COMPLETED

More about the Boeing 737-7H4