Service difficulty report · None · Boeing 7377H4

Difficulty date
September 3, 2022
Submitted
October 14, 2022
Operation
Air carrier
Aircraft
N205WN
Make and model
Boeing 7377H4
Aircraft serial
34010
Aircraft time
59,229 hours, 35,208 cycles
Part
None
Condition
Cracked
Location
Rh 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

R/H WING AT SLAT NO. 8 NOSE SKIN AT THE ACTUATOR ATTACH POINT WITH A CRACK AT ATTACHING FASTENER HOLE SLAT STA 451.97 / CUT OUT DAMAGED AREA OF THE SLAT NOSE SKIN PER B737-700 SRM 57-42-01-2R-8 FIG. 202.;[07] VERIFIED STEP #6.;[08] PERFORMED HFEC AT CUT OUT AS PER NDTM PART 6; 51-00-00 PROCEDURE 23. NO CRACKS<BR>[NORTEC 600 ; B/C 166316 ; CALIB.DUE- 10/22];[09] FABRICATED REPAIR PARTS AT SLAT #8 NOSE SKIN PER B737-700 SRM 57-42-01-2R-8 FIG 202; MATERIAL USED ON DOUBLER 7075-T6.071' PO# 1747908; MATERIAL USED ON FILLER 7075-T6.063' PO# 1614634.;[10] VERIFIED FABRICATION OF DOUBLER AND FILLER REPAIR PARTS.<BR>OK TO APPLY ALODINE AND PRIMER.;[11] TREATED AND PRIMED REPAIR PARTS AND REPAIR AREA PER B737-700 SRM 51-20-01-0G-0 AND AMM 51-21-72-370-804.;[12] INSTALLED REPAIR WASHERS AS REQUIRED PER B737-700 SRM 57-42-01-2R-8 PARAGRAPH F(3)(G).;[13] VERIFIED STEPS #11 AND #12.<BR>OK TO INSTALL DOUBLER AND FILLER.;[14] MIXED BMS5-95 SEALANT AT 2:00 PM; 09-29-2022. SQUEEZE OUT TIME BY 10:00 PM; 09-02-2022.;[15] STARTED INSTALLATION OF DOUBLER AND FILLER AT R/H WING SLAT #8 NOSE SKIN ACTUATOR ATTACH POINT PER B737-700 SRM 57-42-01-2R-8 FIG 202.;[16] INSTALLED REPAIR PARTS DOUBLER AND FILLER AT SLAT 8 NOSE SKIN AS PER REF SRM 57-42-1-2R-8 FIG. 202;[INSTALLED COVE SKIN PANELS AND FLEX SKIN SECTION AT R/H WING SLAT #8 NOSE SKIN ACTUATOR ATTACH POINT AREA PER B737-700 SRM 51-40-02-0G-0.

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