# Service difficulty reports: N78438

A list on [N78438](https://openairdocs.org/aircraft/N78438.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR CALA2026092519824](https://openairdocs.org/sdr/CALA2026092519824.md): Battery Pack · no test · Sep 24, 2026 · N78438 · Boeing 737924ER · Emergency Lighting
  > OPS CHECK OF EMERGENCY LIGHTS. RT OVERWING INTERIOR DOOR EXIT SIGNS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK M1695 IAW AMM 33-51-06-960-805. OPS CHECKED NORMAL.
- [SDR CALA2026092419795](https://openairdocs.org/sdr/CALA2026092419795.md): Battery Pack · no test · Sep 24, 2026 · N78438 · Boeing 737924ER · Emergency Lighting
  > OPERATIONAL CHECK OF THE EMERGENCY LIGHTS, RT AFT OVERWING OUTSIDE EMERGENCY EXIT LIGHT INOP RT FORWARD EXTERIOR OVERWING EXIT LIGHT INOP. MEL 3314A REJECTED PER SIGN OFF CHANGED BATTERY PACK M1676 IN REFERENCE WITH AMM 33-51-06-960-805.OPS CHECK NORMAL AT T
- [SDR CALA2026071217723](https://openairdocs.org/sdr/CALA2026071217723.md): Bungee · out of position · Jul 11, 2026 · N78438 · Boeing 737924ER · Cargo/Baggage Doors
  > PILOT REPORTED CARGO FWD DOOR SHOWED OPEN. WHEN RETURNED TO GATE THE FWD CARGO DOOR AND HANDLE WERE FLUSH. MECHANICS FOUND DOOR HANDLE UNABLE TO EXTEND TO OPEN THE DOOR. WHEN OPENED USING THE TORQUE TUBE, FOUND BUNGEE CORD STUCK IN FWD EDGE OF DOOR ATTACHMENT
- [SDR CALA2026041415361](https://openairdocs.org/sdr/CALA2026041415361.md): Battery Pack · inoperative · Apr 10, 2026 · N78438 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK (M1675) REMOVED FOM REINSTALLED EMERGENCY LIGHT BATTERY PACK (M1675) I.R.F AMM 33-51-06-960-805. OPS CHECK GOOD AT THIS TIME.
- [SDR CALA2026032314748](https://openairdocs.org/sdr/CALA2026032314748.md): Battery Pack · discharged · Mar 20, 2026 · N78438 · Boeing 737924ER · Emergency Lighting
  > PASSENGER CABIN EMERGENCY LIGHTS BATTERY PACK M1672 FAILS CAPACITY CHECK.: REMOVED AND INSTALLED NEW POWER SUPPLY BATTERY PACK (M1672) IAW B737 AMM 33-51-06-960-805. 4.E.5, 33-51-06-960-805 STEP 4. E.6, OPS CHECK GOOD IAW AMM33-51-06-960-805. STEP 4.E.7.
- [SDR CALA2026032314740](https://openairdocs.org/sdr/CALA2026032314740.md): Battery Pack · discharged · Mar 20, 2026 · N78438 · Boeing 737924ER · Emergency Lighting
  > PASSENGER CABIN EMERGENCY LIGHTS BATTERY PACK M1673 FAILS CAPACITY CHECK. REMOVED AND INSTALLED NEW POWER SUPPLY BATTERY PACK (M1673) IAW AMM 33-51-06-960-805. 4.E.5, 33-51-06-960-805 STEP 4.E.6, OPS CHECK GOOD IAW AMM 33-51-06-960-805. STEP 4.E.7.
- [SDR CALA2026090119154](https://openairdocs.org/sdr/CALA2026090119154.md): Pressure Blkhd · cracked · Mar 11, 2026 · N78438 · Boeing 737924ER · Fuselage Main, Bulkhead
  > VERTICAL PRESSURE WEB BETWEEN WL 192.2 AND WL 200.6, 01 CRACK BETWEEN RBL 25.00/RBL 31.83, AND 01 CRACK BETWEEN RBL 40.00/RBL 45.64. REPAIRED 2 EA DAMAGE CRACKS IAW SRM 57-10-10-2R-3, ALTERNATIVE 3,
- [SDR CALA2026030214165](https://openairdocs.org/sdr/CALA2026030214165.md): Channel · corroded · Feb 27, 2026 · N78438 · Boeing 737924ER · Fuselage Miscellaneous Structure
  > AFT CARGO BAY, ZEE CHANNEL, LT SIDE, BETWEEN BS 787 AND 807 CORRODED. REMOVED AND REPLACED THE LT ZEE CHANNEL BETWEEN BS 787 & 807 IAW SRM 53-00-53-2R-6, STEP 4. L, & SRM 51-40-02-0G-0.
- [SDR CALA2026092319711](https://openairdocs.org/sdr/CALA2026092319711.md): Stiffener · cracked · Feb 26, 2026 · N78438 · Boeing 737924ER · Horizontal Stabilizer Miscellaneous Structure
  > LEFT HORIZONTAL STAB, NR 2 STIFFENER AND NR 3 STIFFENER CRACKED ON THE LOWER SIDE AT HSS 129.50. REPAIRED THE DAMAGE IAW SRM 55-10-09-2R-4, & SRM 55-10-01-2R-11. & SRM 55-10-01-2R-11.
- [SDR CALA2025102210408](https://openairdocs.org/sdr/CALA2025102210408.md): Sign · broken · Oct 22, 2025 · N78438 · Boeing 737924ER · Emergency Lighting
  > SEAT 39C AISLE EMERGENCY MARKER IS BROKEN REMOVED AISLE EMERGENCY LIGHT AT 39C, LACARD PLACED ON FA PANEL. REQUESTING 3319E MEL 3319E LIGHT IS WITHIN 2 SEAT ROWS OF A MONUMENT AND MUST WORK MOVED 34 C TO 39 C. OPS CHECKED EMERGENY AISLE LIGHTS. OPS CHECKED GOO
- [SDR CALA2025091708987](https://openairdocs.org/sdr/CALA2025091708987.md): Slide · no discrepancy · Sep 14, 2025 · N78438 · Boeing 737924ER · Escape Slide
  > SLIDE STICKING OUT OF GIRT BAR DOOR 1L INSPECTED 1L SLIDE PACK ORIENTATION, Z FOLD CORRECT AND CORRECT SLIDE PRESSURE GOOD REF AMM 25-66-01-200-802.
- [SDR CALA2025090908658](https://openairdocs.org/sdr/CALA2025090908658.md): Slide · exposed · Sep 5, 2025 · N78438 · Boeing 737924ER · Escape Slide
  > PART OF R2 DOOR SLIDE STICKING OUT. STOWED/TUCKED EXCESS GIRT MATERIAL IAE AMM TASK 25-66-01-400-801. CKS GOOD.
- [SDR CALA2025081807871](https://openairdocs.org/sdr/CALA2025081807871.md): Battery Pack · no test · Aug 15, 2025 · N78438 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHT BATTERY M1671 INOPERATIVE. REPLACED BATTERY M1671 IAW AMM 33-51-06-960-805. ALL EMERGENCY LIGHTS FUNCTIONAL. OPS CHECKED GOOD.
- [SDR CALA2025070806315](https://openairdocs.org/sdr/CALA2025070806315.md): Inlet · contaminated · Jul 7, 2025 · N78438 · Boeing 737924ER · APU Core Engine
  > APU BLEED AIR EXHAUST SMELL IN CABIN ODOR. T/S REF FIM 49-55 TASK 801. PERFORMED VISUAL INSPECTION OF APU AND FOUND RESIDUAL OIL NEAR AIR INLET DUCT. CLEANED AREA THOROUGHLY AND RAN APU WITH BLEED FOR APPROXIMATELY 1 HOUR. COULD NOT REPLICATE ODOR IN AIR. VER
- [SDR CALA2025022702492](https://openairdocs.org/sdr/CALA2025022702492.md): Sensor · out of adjust · Feb 24, 2025 · N78438 · Boeing 737924ER · Door Warning System
  > CREW REPORTS AFT SERVICE DOOR 2R LIGHT CAME ON WHILE TAXI IN. HANDLE DID NOT MOVE. DOOR 2R INDICATION INOP. REQUESTING MEL 5203C DISPATCH DESK: TOMC APPROVED COMPLIED WITH MEL 5203C. DOOR 2R IS CLOSED AND LOCKED. *DM* REFERENCE: 52-10 TASK 802. TEST REVEALED
- [SDR CALA2024121901581](https://openairdocs.org/sdr/CALA2024121901581.md): Girt Bar · misrigged · Dec 17, 2024 · N78438 · Boeing 737924ER · Emergency Equipment
  > R1 EMERGENCY SLIDE SHOWING FROM SERVICE DOOR REF AMM TASK 25-66-01-400-804 COMPLETED THE Z-FOLD AND TUCKED THE EXCESS GIRT MATERIAL UNDER THE YELLOW COLORED COVER MATERIAL (THE VALISE) AS MUCH AS POSSIBLE AND VERIFIED GIRT PAYOUT DIMENSION AT APPROXIMATELY 11
- [SDR CALA2023051801554](https://openairdocs.org/sdr/CALA2023051801554.md): Skin · dented · May 17, 2023 · N78438 · Boeing 737924ER · Fuselage Main, Plate/Skin
  > PER DIP LOG PAGE #6693445 RAMP REPORTS DENT ON UPPER CENTER FWD CARGO DOOR CUT OUT. THIS DENT REQUIRES TO BE REWORK. A PERMANENT REPAIR WOULD BE FABRICATED AND INSTALL, TOMC APPROVED EC/RA 5331-02737 PART 3 (REF. AAR NR 99971518). E 3: HIGH FREQUENCY EDDY CURR
- [SDR CALA2023051901565](https://openairdocs.org/sdr/CALA2023051901565.md): Door · dented · May 4, 2023 · N78438 · Boeing 737924ER · Doors
  > PER DIP LOG PAGE #6693445 RAMP REPORTS DENT ON UPPER CENTER FWD CARGO DOOR CUT OUT. THIS DENT REQUIRES TO BE REWORK. A PERMANENT REPAIR WOULD BE FABRICATED AND INSTALL, TOMC APPROVED EC/RA 5331-02737 PART 3 (REF. AAR NR 99971518). E 3: HIGH FREQUENCY EDDY CURR
- [SDR CALA2021121702385](https://openairdocs.org/sdr/CALA2021121702385.md): None · none · Dec 16, 2021 · N78438 · Boeing 737924ER · Aircraft Fuel System
  > FUEL QUANTITY INDICATION, FLIGHT COMPARTMENT IMBAL MESSAGE SHOWS TANK #2 IS 6.4. PERFOMED FUEL MEASURING VIA STICK MANUAL REF 12-11-06 PG 335. FOUND TANK #1 INDICATION CORRECT READING AND 3.8 BUT TANK #2 IS AT 3.9LBS. USING STICK #3. VERFIED A/C HAS BALANCED
- [SDR CALA2021071201074](https://openairdocs.org/sdr/CALA2021071201074.md): Skin · delaminated · Jul 11, 2021 · N78438 · Boeing 737924ER · Trailing Edge Flaps
  > PDA 1 RIGHT OUTBOARD AFT FLAP INBOARD EDGE EXPOSED HONEYCOMB AREA 22 X 11" TRAILING EDGE ALSO DELAMINATED. REFERENCE LOGPAGE 6623875 FOR CORRECTIVE ACTION: INSTALLED RH OB AFT FLAP REF AMM 27-51-22. VERIFIED ADJUSTMENTS, ALL WITHIN LIMITS. REMOVED RIG PINS FR
- [SDR CALA2021070901050](https://openairdocs.org/sdr/CALA2021070901050.md): Skin · damaged · Jul 8, 2021 · N78438 · Boeing 737924ER · Trailing Edge Flaps
  > RT OUTBD AFT FLAP, INBOARD EDGE EXPOSED HONEYCOMB AREA 22X11" TRAILING EDGE ALSO DELAMINATED.
- [SDR CALA2020072001061](https://openairdocs.org/sdr/CALA2020072001061.md): Pitot Head · obstructed · Jul 17, 2020 · N78438 · Boeing 737924ER · Pitot/Static System
  > AFTER TAKE OFF A/T DISCTD AND EEC ILL W/ SPD TRIM FAIL AND A/S DISAGREE RRH FOLLOWD RETURNED TO DEPARTURE. FOUND DEBRIS IN F/O PITOT TUBE, FLUSHED WITH NITROGEN. DISCONNECTED AND REMOVED F/O'S PITOT TUBE AND RIGHT ADM. PURGED LINE BETWEEN BOTH PITOT AND
- [SDR CALA2020032700699](https://openairdocs.org/sdr/CALA2020032700699.md): Skin · damaged · Mar 23, 2020 · N78438 · Boeing 737924ER · Fuselage Main, Plate/Skin
  > R/H FUSELAGE DAMAGE BETWEEN STA 727I AND 727J AND BETWEEN STRINGER 6R AND STRINGER 7R ACCOMPLISHED REPAIR 20 AT FUSELAGE SKIN STATION 727I & 727J STRINGER 6R & 7R. IAW SRM 53-00-01 REPAIR 20 PAGE 201 TO 209 FIG 201. REPAIR IS CATAGORY B AND REQUIRES INSP @ 500
- [SDR CALA2020032000619](https://openairdocs.org/sdr/CALA2020032000619.md): Bulkhead · cracked · Mar 10, 2020 · N78438 · Boeing 737924ER · Fuselage Main, Bulkhead
  > B737-57-0652 STA 663 VERTICAL PRESSURE WEB CRACKED AT APPROX LBL 40. REF TO PEMCO NR 2708N205. ACCOMPLISHED REPAIR 3 - WING CENTER SECTION REAR SPAR VERT WEB IAW B737-900ER SRM 57-10-10REPAIR 3, ALT #1, FIG 203. CAT "B" REPAIR, INSP REQ''D @ 56000FC INTERVAL I
- [SDR CALA2020032000615](https://openairdocs.org/sdr/CALA2020032000615.md): Skin · damaged · Mar 9, 2020 · N78438 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > (EA 5510-01843 REV H OP 001) DURING C-SCAN FOUND INDICATION ON L /H STAIBILIZER LOWER AFT SKIN BETWEEN RIBS STA 120.30-129.50. REF BY PEMCO NR 2708N274 REPAIRED LH STAB LOWER AFT SKIN BETWEEN RIBS STA 120.30-129.50 IAW B737-900ER SRM 55-10-01, REPAIR 11, CAT B
- [SDR CALA2018021600660](https://openairdocs.org/sdr/CALA2018021600660.md): Lamp · inoperative · Feb 16, 2018 · N78438 · Boeing 737924ER · Emergency Lighting
  > REAR INTERIOR EMERGENCY LIGHT INOPERATIVE. REPLACED THE LAMPS. OPS CHECKED GOOD.
- [SDR CALA2018012600338](https://openairdocs.org/sdr/CALA2018012600338.md): Light · missing · Jan 26, 2018 · N78438 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHT MISSING AT SEAT 12C. INSTALLED THE LIGHT ASSY, OPS CHECKED OK.
- [SDR CALA2017121604479](https://openairdocs.org/sdr/CALA2017121604479.md): Battery · inoperative · Dec 16, 2017 · N78438 · Boeing 737924ER · Emergency Equipment
  > 1 AFT EMERGENCY FLASH LIGHT NOT BLINKING REPLACED BATTERY IN 1 AFT EMERGENCY FLASH LIGHT OPS OK REF AMM25 -60.
- [SDR CALA2017120104278](https://openairdocs.org/sdr/CALA2017120104278.md): Light · loose · Dec 1, 2017 · N78438 · Boeing 737924ER · Emergency Lighting
  > EMERG EXIT LIGHT AT 35C INOP. SECURED EEL LIGHT AT 35C. OP CHECKS GOOD.
- [SDR CALA2017110503931](https://openairdocs.org/sdr/CALA2017110503931.md): Actuator · faulty · Nov 5, 2017 · N78438 · Boeing 737924ER · Passenger Oxygen System
  > PASSENGER OXYGEN DOOR ACTUATOR AT SEAT ROW 10, FAILED AN AUTOMATIC DROP TEST. REMOVED AND REPLACED THE DOOR LATCH ACTUATOR IAW AMM 35-22-21-000-801-001, 35-22-21-400-801-001, AND 35-22-0 0-700-802. OPS CHECKED GOOD.
- [SDR CALA2017091803243](https://openairdocs.org/sdr/CALA2017091803243.md): Battery Pack · inoperative · Sep 18, 2017 · N78438 · Boeing 737924ER · Emergency Lighting
  > LAST FIVE ROWS OF EMERGENCY LIGHTS INOPERATIVE. R & R THE BATTERY PACK AND CHARGER M1673. OPS CHECKED GOOD.
- [SDR CALA2017082802940](https://openairdocs.org/sdr/CALA2017082802940.md): Light · inoperative · Aug 28, 2017 · N78438 · Boeing 737924ER · Emergency Lighting
  > L2 EXTERIOR EMERGENCY LIGHT INOP. REMOVED AND REPLACED LAMP FOR L2 DOOR SLIDE EMERGENCY LIGHT REF AMM 33-51-04, OPS CHECK GOOD.
- [SDR CALA2017082802939](https://openairdocs.org/sdr/CALA2017082802939.md): Battery · discharged · Aug 28, 2017 · N78438 · Boeing 737924ER · Emergency Equipment
  > FORWARD F/A FLASHLIGHT LEFT NOT BLINKING. REPLACED L1 DOOR EMERGENCY FLASHLIGHT BATTERY ON A/C LEFT.
- [SDR CALA2017082802938](https://openairdocs.org/sdr/CALA2017082802938.md): Cover · loose · Aug 28, 2017 · N78438 · Boeing 737924ER · Emergency Exits
  > OVERWING EMERGENCY EXIT HANDLE COVER WILL NOT STAY IN PLACE AT 21F. SECURED COVER.
- [SDR CALA2017061201816](https://openairdocs.org/sdr/CALA2017061201816.md): Battery · discharged · Jun 12, 2017 · N78438 · Boeing 737924ER · Emergency Lighting
  > AFT CABIN CEILING EMERGENCY EXIT SIGN DID NOT ILLUMINATE DURING TEST MODE. CHARGED EMERGENCY EXIT SIGN POWER SOURCE. OP CHECKED GOOD. ACFT OK FOR CONTINUED SERVICE.
- [SDR CALA2017021700374](https://openairdocs.org/sdr/CALA2017021700374.md): Electronic Unit · faulty · Feb 17, 2017 · N78438 · Boeing 737924ER · Electrical Power System
  > EMERGENCY SLIDE/OVERWING LIGHT DOES NOT GO OFF RIGHT BOTH RIGHT FWD AND AFT OVER WING EXIT ANNUNCIATOR LIGHTS ILLUMI NATED IN FLIGHT REMOVED AND REPLACED PSEU PER AMM 32-09-10-400-801 AND PERF ORMED PSEU OPERATIONAL CHECK FOUND NO FAULTS OVERWING DOOR WARNI
- [SDR CALA2017012300160](https://openairdocs.org/sdr/CALA2017012300160.md): Skin · cracked · Jan 23, 2017 · N78438 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB LOWER SPAR / SKIN INSPECTION, FOUND ONE CRACK INDICATION AT HSS 129.50, 18 INCHES FROM AFT SPAR. INSTALLED EXTERNAL DOUBLER IAW SRM 55-10-01 REPAIR 11.
- [SDR CALA2016082300565](https://openairdocs.org/sdr/CALA2016082300565.md): Battery Pack · no test · Aug 23, 2016 · N78438 · Boeing 737990ER · Emergency Lighting
  > BATTERY PACK FOR SEATS 23 - 28 ABC WILL NOT HOLD A CHARGE. REPLACED THE BATTERY PACK IAW AMM 33-51-06. OPS CHECKED GOOD.
- [SDR CALA2016072800463](https://openairdocs.org/sdr/CALA2016072800463.md): Battery Pack · discharged · Jul 28, 2016 · N78438 · Boeing 737924ER · Emergency Lighting
  > EMERGENCY LIGHTS INOPERATIVE, AFT RIGHT SERVICE DOOR. R & R THE BATTERY PACK. LIGHTS CHECKED NORMAL.
- [SDR CALA2014081801132](https://openairdocs.org/sdr/CALA2014081801132.md): Support Beam · worn · Aug 17, 2014 · N78438 · Boeing 737924 · Fuselage Miscellaneous Structure
  > RIGHT A/C BAY FWD AREA H/P AIR ACCESS DOOR LATCH OTBD STRIKER PLATE WORN. LOWER SUPPORT BEAM LOWER CHORD AT BS 547 RBL 40.875 FOR THE H/P DOOR LATCH STRIKER HAS BEEN REPAIRED IAW ECRA 5713-01027.
- [SDR CALA2014080601088](https://openairdocs.org/sdr/CALA2014080601088.md): Skin · cracked · Aug 6, 2014 · N78438 · Boeing 737924ER · Horizontal Stabilizer, Plate/Skin
  > WHILE PERFORMING C SCAN INSPECTION OF RT HORIZ STAB IAW EA 5510-01 843. CRACK INDICATION WAS NOTED AT STAB STATION 101.90 BETWEEN THE 9TH & 10TH RIVETS COUNTED FROM THE REAR INBD ROW OF RIVETS. REQUEST PAINT STRIP FOR FURTHER EVALUATION. REPAIRED IAW SRM 55
- [SDR CALA2014041400461](https://openairdocs.org/sdr/CALA2014041400461.md): Skin · cracked · Apr 12, 2014 · N78438 · Boeing 737924ER · Fuselage Main, Plate/Skin
  > DURING NDT INSPECTION OF CROWN SKIN HOLES, FOUND CRACK INDICATION AT LT ATTACH HOLE FOR FWD ANTENNA MOUNT. LOCATION STATION 727D 3 INCHES LT OF STRINGER 1 PERFORMED INTERIM REPAIR, IAW EA 2076, REV IR & ECRA 5300- 01889.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N78438' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N78438/reports

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