Service difficulty report · Gusset · Boeing 737*

Difficulty date
October 4, 2021
Submitted
November 15, 2021
Operation
Air carrier
Aircraft
N788SA
Make and model
Boeing 737*
Aircraft serial
30603
Aircraft time
68,361 hours, 40,407 cycles
Part
Gusset
Condition
Cracked
Location
L/H Wing
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

LEFT WING; UPPER T/E PANEL BETWEEN #5 AND 6 SPOILERS; LOWER SURFACE CENTER SUPPORT GUSSET IS CRACKED AT TRANSVERSE WEB ATTACH POINT ; / [01] REMOVED CRACKED L/W T/E UPPER PANEL CENTER SUPPORT GUSSET PER AMM 20-00-00 AND SRM 51-10-02-0G-0 STEP 9. LOCATED AND DRILLED NEW GUSSET PER SRM 51-40-05-0G-0 TABLE 3. REMOVED AND INSTALLED SEAL RETAINER ONTO NEW GUSSET PER SRM 51-40-02-0G-0 STEP 4. B.; C.; & E. AND VERIFIED FASTENER CALLOUT PER AIPC 57-50-00-25 ITEM 35. PAINTED NEW GUSSET PER AMM 51-21-99-300-801 STEP 2. E. (6). INSTALLED NEW GUSSET ON TRAILING EDGE PER AMM 20-50-11. CALIBRATED TOOL USED:<BR>CALID: PER1189 SN: 04155309 DUE: 07/2022; [02] VERIFIED CORRECTIVE ACTION ITEM 1.; [03] UPDATED MEASUREMENTS.; [04] VERIFIED ALL STEPS COMPLETE.