Service difficulty report · Fairing · Boeing 7377H4

Difficulty date
August 12, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Fairing
Condition
Chafed
Location
Fuselage
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

FAIRING PANEL # 193AL HAS CHAFFING ON THE INTERNAL SIDE OF SIDE OF PANEL ALONG THE EDGES ; / [01] IDENTIFIED PANEL #193AL IAW SRM 53-40-70-0I-1; FIGURE 2; TABLE 2; ITEM 7. <BR> <BR>REMOVED FINISH IAW AMM 51-21-11-150-815 PARA. 17. C. AND D. <BR><BR> <BR>FOUND CHAFING DAMAGE ON INNER INBOARD AND AFT MATING SURFACES TO EXCEED ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1 PARA. 4. B. (4). THESE AREAS WILL BE REPAIRED IAW SRM 51-70-05-2R-6. AS GIVEN IAW SRM 53-40-70-2R-1 TABLE 202. <BR><BR><BR>REMOVED DAMAGED PLIES IAW SRM 51-70-05-2R-6 PARA 4. A.-B. AS DIRECTED PER SRM 53-40-70-2R-1 PARA 4.D. AND TABLE 202.; [02] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 51-70-05-2R-6 AS GIVEN IAW SRM 53-40-70-2R-1.; [03] VERIFIED CORRECTIVE ACTION STEPS 1 AND 2 VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 51-70-05-2R-6 AS GIVEN IAW SRM 53-40-70-2R-1.; [04] FABRICATED REPAIR PLIES OUT OF BMS 8-139 ST 120 LOT#1460986-1; BMS 8-139 ST1581 LOT#1463555-1; AND BMS 5-154 GR5 LOT#1460987-1; INSTALLED; VACUUM BAGGED; CHECKED FOR LEAKS AND SET TO CURE USING HEATCON HOTBONDER ID: NCX000526 S/N:12051216 IAW SRM 51-70-05-2R-6 PAR 4E-G.

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