# JASC 7170: Engine Drains - Type: JASC system/component code (FAA) - ATA chapter: 71 Powerplant - Title in the code table: ENGINE DRAINS - Service difficulty reports: 130 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=60 - Page: https://openairdocs.org/jasc/7170 ## What it covers The components and manifold assemblies which are used to drain off excess fluids from the powerplant and its accessories. Includes components that are integral parts of, or fitted to the powerplant cowling. Typical parts are drain line, manifold, flame arrestors, support brackets, etc. ## Service difficulty reports (130, newest 50) - [SDR CALA2022112503227](https://openairdocs.org/sdr/CALA2022112503227), Nov 25, 2022: Airbus A320232. DRAIN LINE. DAMAGED. PDA 3 ENGINE #1 ZONE F DRAIN TUBE, APPROXIMATELY 8 INCHES, MISSING FROM AIRCRAFT. INSTALLED LH ZONE F DRAIN TUBE. REF AM (N433UA) - [SDR ASAA2022100940232](https://openairdocs.org/sdr/ASAA2022100940232), Oct 9, 2022: Boeing 737990ER. ACTUATOR. LEAKING. #2 ENG FUEL LEAKING WHILE DEFUELING. GROUNDED - YES. REMOVED AND REPLACED #2 VSV LH ACTUATOR PER B737-900 AMM 75-31-01. (N413AS) - [SDR DALA2022051703373](https://openairdocs.org/sdr/DALA2022051703373), May 16, 2022: Airbus A320212. NONE. NONE. SHIP 3272 DURING FLIGHT DIRTY SOCK SMELL IN COCKPIT CAUSING AIR TURN BACK. CORRECTIVE ACTION: OIL WETTING IN ENGINE HPC. (N372NW) - [SDR YENA2022032300302](https://openairdocs.org/sdr/YENA2022032300302), Mar 21, 2022: Airbus A320232. NONE. FAILED. FLT#131, MCO-LAX. (AIRCRAFT PREFORMED AIR TURN BACK MCO-MCO). 'ENG #1 STALL ECAN IS CLIMB AT CLIMB THRUST AT APPROX 1600 (N635JB) - [SDR NACA2022021700001](https://openairdocs.org/sdr/NACA2022021700001), Feb 17, 2022: Boeing 767323. NOT REPORTED. NOT REPORTED. PILOT REPORTED FLUID COMING FROM #1 ENGINE DRAIN MAST. INSPECTED #1 ENGINE DRAIN MAST, FOUND FLUID DRAINING FROM OIL/HYD (N321CM) - [SDR 9JLA2022021417482](https://openairdocs.org/sdr/9JLA2022021417482), Feb 6, 2022: Cessna 560XL. METERING UNIT. LEAKING. THE FLIGHT CREW REPORTED DURING THE POST FLIGHT CHECKS THE LEFT ENGINE LEAKING FUEL FROM GANG DRAIN. THE MAINTENANCE VEN (N44CD) - [SDR 2022FA0000022](https://openairdocs.org/sdr/2022FA0000022), Jan 14, 2022: Snias AS350B3. SKIN PANEL. CHAFED. DAMAGE TO THE ENGINE DECK (PN: 350A21-1239.20) IN THE FORM OF CHAFES NEAR THE SCUPPER DRAIN. THE DAMAGE AT THE SCUPPER D (N810LF) - [SDR 2LCF20210412](https://openairdocs.org/sdr/2LCF20210412), Apr 12, 2021: Boeing 767316. HMU. MALFUNCTIONED. ON APRIL 12TH, IN FLIGHT UC-1407 SCHEDULED ON THE ROUTE MIA TO VCP AT CRUISE LEVEL, A DIFFERENCE OF 400 KILOS WAS DETECT (N538LA) - [SDR JIKA2021020801](https://openairdocs.org/sdr/JIKA2021020801), Feb 8, 2021: Beech 1900C. BREATHER TUBE. COLLAPSED. THE FLIGHT CREW REPORTED EXHAUST ODOR GETTING PUMPED INTO THE COCKPIT WHEN THE LEFT BLEED IS OPENED AT 400 FEET AGL. MAI (N3071A) - [SDR P5CA2020031900124](https://openairdocs.org/sdr/P5CA2020031900124), Mar 15, 2020: Boeing 767306. DRAIN LINE. DENTED. DENT - TUBE, NO. 2 ENG L/H HYDRAULIC OIL DRAIN TUBE CONNECTION ACCESSORY DRIVE MODULE.(

IAW AMM 70-50-00-912-001 REV. (N647GT) - [SDR P5CA2020031900125](https://openairdocs.org/sdr/P5CA2020031900125), Mar 15, 2020: Boeing 767306. DRAIN LINE. CHAFED. CHAFING - TUBE, NO. 2 ENG L/H OIL DRAIN MODULE CAP WITH DRAIN TUBE UPPER SURFACE.(

IAW AMM 70-50-00-912-001 REV. 129 R (N647GT) - [SDR P5CA2020031900126](https://openairdocs.org/sdr/P5CA2020031900126), Mar 15, 2020: Boeing 767306. DRAIN LINE. DENTED. DENT - TUBE, NO. 1 ENG FUEL-MANIFOLD DRAIN TUBE UNDER A.G.B 6:00.(

IAW AMM 70-50-00-912-001 REV. 129, REPLACE THE FUEL (N647GT) - [SDR UIEA2019072204819](https://openairdocs.org/sdr/UIEA2019072204819), Jul 20, 2019: Boeing 76731A. SEAL. WORN. #2 ENG DRAIN MAST SEALANT WORN. (

REPLACED #2 ENGINE DRAIN MAST SEAL IAW AMM 71-71-00.

) (N662GT) - [SDR UIEA2017102502051](https://openairdocs.org/sdr/UIEA2017102502051), Oct 25, 2017: Boeing 767375. COVER. TORN. NR 2 ENGINE DRAIN LINE COVER TORN OFF 11 O'CLOCK POSITION ON THE COMPRESSOR CASE. REMOVED AND REPLACED DRAIN LINE COVER (N649GT) - [SDR HALA2016092700360](https://openairdocs.org/sdr/HALA2016092700360), Sep 27, 2016: Boeing 76733A. PUMP. LEAKING. DURING WALK AROUND FOUND FLUID DRIPPING FROM THE NR 1 ENGINE DRAIN. TROUBLESHOT & FOUND THE NR 1 ENGINE HYD PUMP LEAKING (N582HA) - [SDR P5CA2016091200255](https://openairdocs.org/sdr/P5CA2016091200255), Sep 9, 2016: Boeing 767306. DRAIN MAST. MISSING. UPON INITIAL PREFLIGHT, LT ENGINE MISSING LOWER FLUID DRAIN MAST. INSTALLED LT ENGINE DRAIN MAST IAW AMM 20-11-00. (N647GT) - [SDR 39LA20160817166](https://openairdocs.org/sdr/39LA20160817166), Aug 17, 2016: Skrsky S61N. DRAIN. PLUGGED. DURING THE FIRST 3.6 HRS OF FLIGHT, 7 LEGS REPORTED, THE CREW DETECTED AN OVERWHELMING ODOR OF JET FUEL IN THE COCKPIT A (N103WF) - [SDR COEA2016040601901](https://openairdocs.org/sdr/COEA2016040601901), Apr 6, 2016: Aerosp ATR42320. DRAIN LINE. BROKEN. FLIGHT 7804, DISCREPANCY. RAW JET FUEL SMELL IN COCKPIT DURING DESCENT & LANDING. TROUBLE SHOT & REPLACED TWO BROKEN DRA (N901FX) - [SDR QMLA2015101515098](https://openairdocs.org/sdr/QMLA2015101515098), Oct 15, 2015: Bolkms BK117C2. DRAIN LINE. CLOGGED. DURING TAKEOFF, THE CREW NOTICED A STRONG FUEL SMELL IN CABIN. FOUND THE COMMON DRAIN LINE ON THE NR 2 ENG DECK TO BE CL (N145HH) - [SDR REXA2014051600514](https://openairdocs.org/sdr/REXA2014051600514), May 16, 2014: Cndair CL6002D24. DRAIN MAST. DAMAGED. TASK CARD 900-71-440-100 RT ENG LOWER NACELLE DRAIN MAST PAN HAS DAMAGE. REPAIRED DAMAGED AREA IAW EO R54090. (N927XJ) - [SDR QMLA201403214030](https://openairdocs.org/sdr/QMLA201403214030), Mar 25, 2014: Bolkms BK117B1. DRAIN. STUCK. FUEL ODOR WHEN CABIN HEAT TURNED ON. (N155SC) - [SDR A6WA201441293](https://openairdocs.org/sdr/A6WA201441293), Mar 17, 2014: Cndair CL6002B19. SKIN. CRACKED. RIGHT JET PIPE HAS 3 CRACKS IN SKIN AROUND COMBUSTOR DRAIN. REPAIRED CRACKS IAW STS EA 15-2014-050. (N404AW) - [SDR CALA2013100891855](https://openairdocs.org/sdr/CALA2013100891855), Oct 6, 2013: Boeing 777222. DRAIN. BLOCKED. NR 1 ENG WEEP TUBE IS CLOGGED HAS NUT STUCK IN END OF TUBE. DURING ROUTINE INSPECTION IAW EC4141-1 FOUND TUBE BLOCKED. I (N772UA) - [SDR CALA2013092691470](https://openairdocs.org/sdr/CALA2013092691470), Sep 24, 2013: Airbus A320232. DRAIN LINE. BROKEN. NR 1 ENGINE DRAIN MAST ACOC DRAIN LINE BROKEN. REPLACED DRAIN MAST ASSEMBLY IAW AMM. AIRCRAFT OKAYED FOR SERVICE. (N454UA) - [SDR UALA2012100405630](https://openairdocs.org/sdr/UALA2012100405630), Oct 3, 2012: Boeing 767322. DRAIN. LEAKING. PUSH CREW REPORTS FUEL LEAK NR 2 ENGINE AFTER PUMPS TURNED ON. FOUND FUEL LEAKING FROM DRAIN NR 4. CREW RAN ENGINE FOR T (N674UA) - [SDR KCSA111226](https://openairdocs.org/sdr/KCSA111226), Sep 30, 2011: Boeing 747221F. DRAIN LINE. LOOSE. NR 2 PYLON CASE DRAIN LINE LOOSE AND CHAFING BULKHEAD AT NAC STA 222. (N748CK) - [SDR CA110307007](https://openairdocs.org/sdr/CA110307007), Mar 1, 2011: Cessna 152. BREATHER TUBE. CLOGGED. (CAN) THE PILOT NOTICED SMOKE IN THE CABIN DURING FLIGHT AND DECLARED AND EMERGENCY LANDING. UPON INSPECTION IT WAS NOTE - [SDR MASA2010111101261](https://openairdocs.org/sdr/MASA2010111101261), Nov 10, 2010: Dhav DHC8202. TUBE. LEAKING. TUBE ASSY CHECK VALVE TO BULKHEAD TEE LEAKS NR 2 ENGINE. MX REMOVED AND REPLACED TUBE ASSY LEAK CHECK GOOD. (N989HA) - [SDR IPXA09557341](https://openairdocs.org/sdr/IPXA09557341), Sep 2, 2009: Boeing 75724APF. BRACKET. WORN. INSPECTION TYPE:C2 NR 1 ENGINE AFT TURBINE CASE DRAIN LINE LWR SUPPORT BRACKET IS WORN AT FASTENER HOLE AT 6 O'CLOCK. RE (N468UP) - [SDR IPXA09557339](https://openairdocs.org/sdr/IPXA09557339), Sep 2, 2009: Boeing 75724APF. BRACKET. WORN. INSPECTION TYPE:C2 NR 1 ENGINE AFT TURBINE CASE DRAIN LINE LWR SUPPORT BRACKET IS WORN AT FASTENER HOLE AT 6 O'CLOCK. RE (N468UP) - [SDR 08FDEA01315](https://openairdocs.org/sdr/08FDEA01315), Apr 6, 2008: Airbus A310324. DRAIN LINE. CRACKED. NR 2 ENGINE DRAIN MANIFOLD TUBE CRACKED REMOVED DRAIN MANIFOLD IAW FEDEX AMM 71-70-14-4. WELDED DRAIN MANIFOLD IAW EA 6- (N803FD) - [SDR CA060907004](https://openairdocs.org/sdr/CA060907004), Jun 29, 2006: Bell 212. O-RING. UNSERVICEABLE. (CAN) STARTED NR 2 ENGINE FIRST. SECOND START OF THE DAY. STARTED NR 1 AND BROUGHT IT UP TO IDLE. THE AME CAME RUNNING T - [SDR CA050314001](https://openairdocs.org/sdr/CA050314001), Mar 11, 2005: Dhav DHC8102. LINE. BLOCKED. (CAN) DURING A MAINTENANCE GROUND RUN, THE RT ENGINE DEVELOPED A TAIL PIPE FIRE AFTER THE ENGINE START WAS INITIATED. TH - [SDR KBM2004F00075](https://openairdocs.org/sdr/KBM2004F00075), May 1, 2004: Snias AS350B1. DRAIN VALVE. FAILED. ENGINE WILL NOT START. NO RISE ON T4. REMOVED AND REPLACED. (N53SH) - [SDR EHA2004F00001](https://openairdocs.org/sdr/EHA2004F00001), Mar 14, 2004: Bolkms BK117C1. DRAIN VALVE. LEAKING. PILOT REPORTED EXCESSIVE FUEL SMELL AFTER STARTING NR 1 ENGINE PILOT SHUT DOWN ENGINE DURING RESTART OBSERVED LARGE AMOU (N141LG) - [SDR AUS20040130](https://openairdocs.org/sdr/AUS20040130), Feb 25, 2004: Skrsky S76C. DRAIN VALVE. LEAKING. (AUS) ENGINE START DRAIN VALVE LEAKING DUE TO ORING SEAL FAILURE. - [SDR KBM2004F00022](https://openairdocs.org/sdr/KBM2004F00022), Feb 19, 2004: Snias AS350B1. DRAIN VALVE. LEAKING. START DRAIN VALVE, EXTERNAL LEAKING. 10 YR CALENDAR INSPECTION. REMOVED AND REPLACED WITH SERVICEABLE UNIT. (N215LA) - [SDR BAQA092553](https://openairdocs.org/sdr/BAQA092553), Jan 21, 2004: Aerosp SA365N. DRAIN VALVE. STICKS. VALVE STICKS IN COLD WEATHER. UNIT WAS REMOVED AS ORIGINAL EQUIPMENT FROM ENGINE S/N 2060, AND THE ENGINE WAS INSTALLED (N365S) - [SDR BAQA092554](https://openairdocs.org/sdr/BAQA092554), Jan 19, 2004: Aerosp SA365N. VALVE. STICKS. WARRANTY. VALVE STICKS IN COLD WEATHER. UNIT WAS REMOVED AS ORIGINAL EQUIPMENT FROM ENGINE S/N 2060, AND THE ENGINE WAS (N365S) - [SDR BAQA093231](https://openairdocs.org/sdr/BAQA093231), Jan 17, 2004: Aerosp SA365N. DRAIN VALVE. MALFUNCTIONED. NR 1 ENGINE SMOKES ON SHUT DOWN. REPLACED WITH SERVICABLE UNIT. 02/24/2004 (N365S) - [SDR BAQA091933](https://openairdocs.org/sdr/BAQA091933), Jan 12, 2004: Aerosp SA365N. DRAIN VALVE. LEAKING. DRAIN VALVE LEAKING. REPLACED WITH SERVICABLE UNIT. 01/27/2004 (N199SM) - [SDR CA040105005](https://openairdocs.org/sdr/CA040105005), Dec 5, 2003: Amd FALCON20. DRAIN LINE. CHAFED. (CAN) NR 2 ENGINE FIRE WARNING MOMENTARILY SOUNDED ON TAKEOFF. UPON INVESTIGATION THE EP CAN DRAIN LINE WAS FOUND WITH A - [SDR 2004FA0000194](https://openairdocs.org/sdr/2004FA0000194), Nov 17, 2003: Aviat A1A. DRAIN LINE. CHAFED. OIL LEAK NOTED ON LOWER COWL. DURING ANNUAL INSPECTION, NR 1 OIL DRAIN TUBE FOUND CHAFED BY CARB HEAT SCAT HOSE. SCAT HO (N478DM) - [SDR BAQA090123](https://openairdocs.org/sdr/BAQA090123), Oct 22, 2003: Aerosp AS365N2. DRAIN VALVE. LEAKING. FAILED ENGINE CHECK. LEAKS . PART ONLY LASTED 9 MONTHS. REPLACED WITH SERVICEABLE UNIT. (N915ME) - [SDR KBM2003F00064](https://openairdocs.org/sdr/KBM2003F00064), Oct 18, 2003: Snias AS350B2. DRAIN VALVE. FAILED. AIRCRAFT STARTS SLOW, MUST INCREASE TO 750 DEGREE TO 760 DEGREE TO START. REMOVED AND REPLACED WITH OVERHAULED START DRA (N115SH) - [SDR KBM2003F00033](https://openairdocs.org/sdr/KBM2003F00033), Sep 28, 2003: Snias AS350BA. DRAIN VALVE. LEAKING. ENGINE START DRAIN VALVE LEAKING INTERNALLY TO OVERBOARD DRAIN. INSTALLED OVERHAULED START DRAIN VALVE. (N1188P) - [SDR CA031031009](https://openairdocs.org/sdr/CA031031009), Jun 13, 2003: Snias AS350B. DRAIN VALVE. FAILED. (CAN) ON ENGINE SHUTDOWN, A SINGLE POP SOUND IS HEARD AT THE EXHAUST AREA. FURTHER INVESTIGATION DETERMINE THE DRAIN / O - [SDR HEEA083489](https://openairdocs.org/sdr/HEEA083489), Jan 7, 2003: Bolkms BO105S. PRESSURE SWITCH. MALFUNCTIONED. NR 1 ENGINE DIFFERENTIAL PRESSURE SWITCH LIGHT STAYS ON. (N6607K) - [SDR CA021115017](https://openairdocs.org/sdr/CA021115017), Oct 30, 2002: Dhav DHC8102. LINE. CHAFED. (CAN) ON NR 1 ENG SHUTDOWN FOUND RETURN CASE DRAIN TUBE ASSY AT XN 124.00 TO STN XN 146.40 LEAKING. IPC REF 29-10-00 FIG - [SDR CA020821006](https://openairdocs.org/sdr/CA020821006), Aug 5, 2002: Piper PA46500TP. BREATHER. CHAFED. (CAN) ENGINE BREATHER ACCESSORIES DRAIN MANIFOLD FOUND CHAFED THROUGH ABOUT 50 PERCENT OF THE TUBE WALL THICKNESS. BREAT All 130: https://openairdocs.org/jasc/7170/reports.md ## Other codes in chapter 71 - [JASC 7100](https://openairdocs.org/jasc/7100): Powerplant System (634 reports) - [JASC 7110](https://openairdocs.org/jasc/7110): Engine Cowling System (2,324 reports) - [JASC 7111](https://openairdocs.org/jasc/7111): Engine Cowl Flaps (57 reports) - [JASC 7112](https://openairdocs.org/jasc/7112): Engine Air Baffle Section (27 reports) - [JASC 7120](https://openairdocs.org/jasc/7120): Engine Mount Section (3,028 reports) - [JASC 7130](https://openairdocs.org/jasc/7130): Engine Fireseals (66 reports) - [JASC 7160](https://openairdocs.org/jasc/7160): Engine Air Intake System (1,161 reports) - [JASC 7197](https://openairdocs.org/jasc/7197): Powerplant System Wiring (32 reports) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.